What happens when the Idle is high on a Harley Davidson?

Strange that there are no historical codes since you did say you saw the check engine light come on. (Could be you went through 50 key cycles with no engine issues) When you get off the interstate & the idle is high,,, if you were to power it off and restart the bike, does the idle calm down or does it resume the high idle.

Why does my ECM say idle all the time?

This allows the ECM to remember all the “idle”, throttle position and store the DTC status. There was also a download update if memory serves for some of the 2007 or 2008 models regarding an idle issue, so check with your H-D dealer for Service Bulletin regarding this.

Why does my Harley Davidson stall at a stop sign?

After I’ve been riding for awhile and the engine warms up it will idle stronger and is usually fine, but once in awhile when I start from a stop sign or light it will stall and I’ll have to give it some throttle to start and idle up. Of course it never does it when the dealer has it.

What to do if your go kart engine is not idling?

If the go kart engine is idling too quickly or too slowly, you may not be able to adjust the idling speed. This should be done with the engine idling in neutral by using the adjustment screw. If you’re not sure of the correct RPM at which your go kart engine should idle, get a mechanic to help you out.

Why was the Harley Davidson Dyna called the rider’s Harley?

Dynas, characterized by their frame with a rubber mounted, non-counter-balanced engine and twin external rear shocks, became known as “the rider’s Harley,” because the Dyna was a full-size Harley with a Big Twin motor that was still relatively agile, much better handling than the more wallowy Softail and big, heavy luxo-cruiser Touring models.

What kind of engine does a Harley Dyna have?

But the “performance” Big-Twin-powered Dyna, with its signature rubber-mounted engine and twin rear shocks, had a huge following among Harley riders both young and old, so we are commemorating the popular model in this Motorcycle History piece.

Why is the RPM on my Harley Davidson so high?

(Could be you went through 50 key cycles with no engine issues) When you get off the interstate & the idle is high,,, if you were to power it off and restart the bike, does the idle calm down or does it resume the high idle. Would help to know how high the RPM was, but you have no tach. (?)

What causes a Harley Davidson to have a hard start?

When fuel injected Harley motorcycles begin to experience a rough or high idle, or a hard start condition, often this is a result of a faulty Idle Air Control ( IAC) or MAP sensor.

What’s the name of the 2006 Harley Davidson Low Rider?

Now for 2006, all Harleys get the mechanical changes that result in a lightened clutch pull and improved shifting. Which leads us finally to the total revamp of the Dyna series. The seat may be low, but the Low Rider has adequate cornering clearance. The roots of the Dyna series extend back to the 1971 FX Super Glide.

When to replace the idle air control motor on a Harley?

Direct replacement for Harley p/n 27658-06 on 2007+ EFI models except XL Sportster and 08+ TBW touring models.* When fuel injected Harley motorcycles begin to experience a rough or high idle, or a hard start condition, often this is a result of a faulty Idle Air Control ( IAC) or MAP sensor.

How does the idle speed of a car work?

This valve is controlled by the vehicle’s computer which will adjust idle speed based upon other measurements such as engine temperature, intake air temperature and electrical system load or voltage. When you accelerate, the engine RPM increases, and as you let off the gas, the RPM slowly returns to the normal idling speed.

Why does my car idle with my foot on the brake?

Rough idle with foot on brake at stop light or just sitting in park in driveway runs good while driving My car has 128000 miles. My car has an automatic transmission. This may be a sign of a failing idle air control valve.

What does it mean when your car Idles rough?

My car has 128000 miles. My car has an automatic transmission. This may be a sign of a failing idle air control valve. The idle air control valve is located on or near your intake manifold that monitors the air intake as it is mixed with fuel prior to being injected into the engine.

What should the idle speed be if the throttle is turned off?

If the ignition is turned off with the throttle in a position other than 0 percent throttle, the system wants to use a higher rpm as the new idle speed the next time the engine is started. If you shut the bike off at 1,800 rpm, the next time you start the engine it will use approximately 1,400 as the new idle speed.

How do you reset the idle speed on a Harley Davidson?

To keep this from occurring you can reset the idle by turning on the ignition switch until the fuel pump cycles on and off, then turning off the ignition. Repeat this three times and the idle speed will be reset to normal, 1,000 rpm.

What does idle mode do on a Harley Davidson?

This mode will allow a rider enough power under idle to get it up a few gears and get the bike moving. Providing even more safeguards is the limp-home mode that kicks in if you lose the DC motor or either of the throttle-position sensors. In this mode the engine will provide idle only.”

Why does my air conditioner stop cooling when the car is idle?

When driving temp creeps up and when idle it slowly goes down. smells like antifreeze when turned off To pinpoint the cause of the overheating, an overheating diagnostic is required. Be sure not to drive the car if it is overheating because overheating can warp the cylinder head and/or engine block causing costly damage.

What kind of engine does a Harley Davidson Dyna Glide have?

This article applies to Harley Davidson Dyna Glide (2000-2016). Compared to other motorcycles on the road, Harley Davidson motorcycles have a fairly unique engine design. Harley engines have evolved over the years, but still remain true to their roots with a 45 degree air-cooled pushrod V-twin installed in Dyna models.

How long should a carbureted Harley Davidson be idle?

According to Harley-Davidson, carbureted models should be started on the enricher and allowed to idle for maybe 30 seconds; after that you can push the enricher back in as soon as the engine runs smoothly, and, of course, ride away.

Why does my Harley Davidson Dyna Glide make a ticking noise?

The lifters should pump up with oil as oil pressure builds and the noise should go away after the bike has run a bit. If ticking lifters persist at all times, Harley suggest that the oil pressure be checked while the bike is running. Excessively high or excessively low oil pressure has been known to cause lifter problems.

When does a Harley Davidson engine misfire at low speeds?

However, when cruising along about 25-30 mph (in either 2nd or 3rd gear) it is always misfiring and sputtering pretty bad now (had a little hint originally and definitely getting worse now). After coming to a stop, the idle is a bit rough and sometimes the engine acts like it wants to cut out for a few seconds after which it seems to idle OK.

Can a Harley Davidson run at low speeds?

However, since I bought it the engine is not running well at low speeds. It basically runs fine under mild/strong acceleration or at full highway speed and seems to idle normally when the bike is started.

When does idle come back to normal on a Harley Davidson?

Just seems to happen when I’ve been running at a fairly wide open throttle maintaining higher speeds for a while (fwy) or longer stints (catching all green lights) on the streets at a speed of about 45 or more. It always seems to come back to a normal idle after getting back into first gear when stopped, or when I start going again in 1st.

Why does my Harley Davidson engine pop when I idle?

After coming to a stop, the idle is a bit rough and sometimes the engine acts like it wants to cut out for a few seconds after which it seems to idle OK. The popping/backfire also continues about the same on decel as when I got it.

How to idle a 2012 Road Glide Ultra?

2012 Road Glide Ultra, Big Blue Pearl. HALL OF FAME – WEINER! Try this. Turn ignition switch to off. Turn kill switch to run. Rotate ignition switch from off to ignition. The yellow check engine will turn on for a few seconds then off. As soon as the light turns off turn ignition to off.

What’s the idle speed on a mountain bike?

When I was leaving, the bike was idling a little high, 1150 RPM. Stopped for fuel and it was still a little high. Took off for Van Wert and stopped on the way for some grub. When I went to leave there, the idle was now up to about 2000, by the time I got to Van Wert it was up to about 3500.

What happens if the idle level is too low?

Idle level too low. If the idle level on your (warmed up) engine is lower than the level decided by the manufactorer, you will usually have two problems: – The oil pressure inside the engine will be very low, and you may see the oil pressure lamp flicker. – Charcoal cannister in the tank ventilation line clogged by fuel or dirt.

When do you know a fuel injector is bad?

You consider a fuel injector clogged when the quantity of gunk or debris within has built up so much that it hinders the free flow of fuel. Once there is a clog in either the filer basket or the injector, the problem cannot be easily resolved no matter the quantity of fuel you inject or whichever fuel rail injector cleaner.

Why does the Check Engine light come on when the engine is idle?

The check engine light in your vehicle is designed to turn on if the Engine Control Unit (ECU) identifies an issues with how the engine is running. Look at your dashboard; if the check engine light is on in conjunction with idle issues, it may be because the idle control valve is malfunctioning.

How to adjust idle speed with fuel injection?

I have an ’01 fuel infected Roadking. Last year I noticed that it rarely went into high speed idle when cold. By the end of the season it was idling low, around 700, 750 rpm. According to the manual I am supposed to hook up a diagnostic tool to a connector, find a voltage and make adjustments.

What’s the idle RPM on a V twin?

By the end of the season it was idling low, around 700, 750 rpm. According to the manual I am supposed to hook up a diagnostic tool to a connector, find a voltage and make adjustments. The connector has 4 pins according to the wiring diagram.

How to slow down a Harley Davidson Sportster?

Restart the engine. It should be running just fine now. Now turn the mixture screw in slowly while listening to the engine speed. As soon as you hear the speed change (slow down) ever so slightly stop and back off a quarter turn for colder weather and half a turn for warm weather.

How is the idle level on a motorcycle set?

Setting the idle level. On the older motorcycles where a carburettor is mixing air and fuel, the idle level is set by a simple stop screv that prevents the throttle valves from closing completely, and you can simply turn this screw in or out to adjust the idle level.

What should idle speed be on Harley Davidson Sportster?

Evo Motors should idle at a minimum of 700 rpm and Twin Cams at 900 rpm—they sound great idling at lower revs than this, but it can cause premature wear on your valve train. This article does NOT cover idle mixture—that is something else—we are just looking at simple idle speed adjustment here.

Why is the idle level on my motorcycle so low?

Our firm recommandation is to keep the idle at the factory level, and if you must change it, you should aim for slightly higher idle level. The low oil pressure issue at a very low idle level is a genuine risk. The rest of the text below contains lists of the possible causes if the idle level on your bike is too low or too high.

What does it mean when you have black smoke coming from your engine?

Black smoke indicates an engine air-fuel mixture that is too rich — meaning there’s too much fuel and not enough air. This is typically caused by one or more of the following problems: Faulty fuel pressure regulator: As the name implies, this device regulates fuel pressure to the engine.

What causes white smoke from exhaust when idle?

What Causes White Smoke From Exhaust When Idle? If you have white smoke from exhaust when stopping or idling, your combustion chambers engine might get oil inside, which cause them to burn off the exhaust. This will cause white smoke, along with the idle issue.

What does it mean when your car has blue smoke coming from the tailpipe?

Blue-gray or gray-white smoke. Blue-gray or gray-white smoke usually means the engine is burning oil. If you have a turbocharged engine, a faulty turbo seal could be causing this, but if you have a more common engine, it’s likely one or more of the following problems:

Why do I have white smoke coming from my tailpipe?

This results in white smoke coming from the tailpipe, usually accompanied by a sweet smell. It’s also possible that your engine will overheat. Solution: Your engine will need to be partially disassembled, have the gasket replaced, and then be reassembled.

What causes a diesel engine to start smoking?

Leaking valve seals are unlikely, since boost pressure will force oil up into the valvetrain, but turbo oil seal leaks are common for older turbos and will indeed cause smoking. If a seal leaks, then you might want to try checking the oil drainback line before tearing the turbo apart.

How is the idle level of a motorcycle controlled?

The same system is used on the first generations of fuel injected motorcycle engines. On the newer fuel injection systems, the throttle valve is controlled but a small stepper engine, and it is the fuel injection ECU (a computer) that is controlling the idle level.

What should the idle speed be on a Toyota 04 XR?

Nah, if the idle is above 1000 after being warmed up with the A/C off, something is wrong. My manual 04 XR idles at nearly 2000 on a cold day when I first start it, but after the engine warms up it goes down to about 700. Your automatic should idle at about the same speed.

Why does my Toyota Corolla idle at 2?

Secondly it will idle at 2 or a lil above whne cold, rpms will come down as car warms up, when its fuly warmed up it will idle under 1. are yoiu sure its not cold when doing this? There is something called an Idle Air Control valve.

What should the normal operating temperature be on a Harley?

& filed under Harley Tips. Hello, hope all is well with you. I have a simple two part question for you. What is the normal operating temperature (engine) on a 2007 road king classic with a 96 cubic inch motor.. and what kind of temperature readings should I expect to get on the head pipe between jug and O2 sensors?

Where does the heat go on a Harley Davidson?

Remember that your catalytic converter is on that side and both cylinders blow into it. A majority of the “increased heat” goes out the right exhaust. The higher temp is changing the color of the chrome. You will usually find this on bikes that go on extended highway trips of 200 to 500 miles a day. Don’t try to polish out the color.

Why does my Softail Deluxe bike run weird?

Mine would do the exact same thing, its a 2007 softail deluxe. It turned out the battery to be the problem. The reason its intermittent is the bike will start running weird in other words it would take a charge but if for some reason that charge did not hold for long the bike will start running weird again.

When does an Ultra Classic idle or dies?

If the temp goes above 85 it idles about 500 RPMs or dies when you come to a stop. It will start right back up. I think it’s getting too hot I’ve changed the spark plugs and they are the grey-ish white on both cylinders (sign of running too lean) I’ve changed the air filter, as well. I don’t know how to fix it. Any suggestions or advice?

What happens to a 2007 Ultra Classic when it gets too hot?

I have a 2007 Ultra classic (its stock except for the SE 255 cam) that runs fine and idles fine in temps under 85 degrees. If the temp goes above 85 it idles about 500 RPMs or dies when you come to a stop. It will start right back up. I think it’s getting too hot

What causes rough idling in a motorcycle engine?

A broad range of problems can cause rough idling in a motorcycle engine. A problem with fuel delivery, spark plug operation or metering of the air-fuel charge can cause problems at idle that may not be obvious at higher rpm ranges. Motorcycle manufacturer recommendations vary, but most issues can be isolated using a

Why does my Harley Davidson cough at idle?

Came back, resprayed WD and found no change in idle so I stand here thinking the intake seals are not/no longer leaking. Put the .48 back in, re-rode to test and it’s back to the occasional cough. Does it only after idling at a light for a minute or so and blipping the throttle to take off.

Why did I Turn my Back on a Sportster?

Height, weight and vibration were the three biggest things that turned me off to the Sportster after I had some serious riding experience on it. But hey, that’s just me. There are a ton of Sportster enthusiasts who will ride forever on their beloved Sportster (the cafe racer) forever.

What does it mean when a Harley won’t idle?

Went to start it won’t stay idling unless you either hold the choke out or give it some throttle. Also when you ride their is like a hesitation where the bike kind of jerks like it loses fuel supply forms split second any recommendations. Click to expand…

How to start a Harley Davidson Sportster XI 883?

To Lean will hurt the engine : To start a Harley Davidson Sportster XI 883, you will need: 1. Open the cap for the fuel tank and see how much fuel is in your motorcycle. Add fuel as needed. Note that the engine may not start if you have low fuel.

What causes a Harley Davidson battery to go bad?

The most common cause of electrical problems on a Harley Davidson is the battery or the voltage regulator. Troubleshooting can be performed in any garage, and it saves on expensive service bills.

What to do if your motorcycle won’t start?

1. Open the cap for the fuel tank and see how much fuel is in your motorcycle. Add fuel as needed. Note that the engine may not start if you have low fuel. This can also ruin your fuel pump. 2. Locate the fuel line switch and turn it to “On” or “Res” which stands for reserve.

Is there a problem with rough idle when warm up?

So, once there’re visible signs of rough idling, trouableshoot the problem without causing any further delay. As reported by Car From Japan experts, most Makes getting this engine rough idle after warm up are: Though the problem is not common but drivers of the Makes had their car serviced at garages for Rough Idle When Warm.

What to do when your car is at rough idle?

With gear transmission in park or neutral, make sure you’ve applied the emergency brake, as well. Next, inspect all the components to find the actual cause of the rough idle. 3. Check And Replace Spark Plug And Wires (If Needed) Turn on the car’s ignition and let the engine warm up.

What is the EFI code for a Harley Davidson?

P2138 TGS Correlation Error (Twist grip sensor) 27. P0120 TPS1 Range Error 28. P0220 TPS2 Range Error 29. P0122 TPS1 Low 30. P0123 TPS2 High/Open 31. P0222 TPS2 Low 32. P0223 TPS2 High/Open 33. P2135 TPS Correlation Error 34.

What causes idle surges on a car ECM?

Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges.

What causes the Check Engine light to turn off at idle?

At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling.

What are known problems with 1998 Harley Davidson EFI on?

Describe your issueThe assistant will guide you Chat 1:1 with a motorcycle mechanicLicensed Experts are available 24/7 100% satisfaction guaranteeGet all the answers you need Ask Steve Your Own Question Steve, Motorcycle Mechanic Category: Motorcycle Satisfied Customers:8,108 8,108 Satisfied Customers

What kind of filter does a Harley Davidson Electra Glide use?

Made from aircraft-quality aluminum, the filter is removable, cleanable element for years of service and features an O-ring that seals body for no leaks. HSR Carburetor Easy Kit by Mikuni®.

Why does my bike lose power when I idle?

Again, if you ride a modern bike you’ll have no idea what a choke is, but even Electronically Fuel Injected motorcycles reveal a lot by “blipping” the throttle. Rich bikes are getting too much gas, so they idle high but lose power when given initial throttle because they can’t burn all the gas.

Why do I have a problem with my fuel injection pump?

Fuel injection problems, therefore, are one of the most pressing engine issues to deal with. Whether you’ve experienced fuel injector failure or not, it helps to understand the fuel injector pump, how it relates to engine performance, and also how diesel fuel injection pumps differ from traditional gasoline-powered units.

What causes a motorcycle to stall at idle?

Extremely lean motors can also stall out completely when given some light throttle. Another sign of lean running is the “hunting idle” where the motorcycle revs up randomly, changes RPMs, or takes forever to come down to idle.

How to tell if your motorcycle has a lean mixture?

Typical symptoms of a lean mixture are: 1 Backfiring as the throttle is closed (primarily during coast-downs) 2 Lurching acceleration 3 White or light gray spark plugs 4 Requiring excessive amounts of choke to run/start 5 White or light gray muffler end pipes 6 Bluing (on chrome systems) of the exhaust header down-pipes

What to do if you have a loose vacuum hose on your bike?

First, start simple and look for a loose or open vacuum hose. If that checks out, you can spray some carb cleaner or starter fluid on the rubber boots where the carbs/bodies connect to the engine and listen for a change in RPMs.

Why does my cable keep sticking on my bike?

The three main causes of cable woes are wrong routing – it’s too short after changing handlebars or crashing and, most often, not properly maintained. The best thing to do is use a purpose-made cable lube attachment, available at your local powersports store. Still, in a real pinch, a cable that has recently stuck can, most times, be salvaged by:

How can I tell if my idle control valve is working?

To check if an idle control valve is working properly, start by turning on your engine and letting it run for a minute or 2. Then, when it’s at an idling speed, take note of the RPMs in your car. Next, turn the engine off and disconnect the idle control motor under your hood.

What happens when the idle control motor is disconnected?

With the Idle Control Motor disconnected, get back into the vehicle and start the engine again. The engine should still start and run without any issue despite the idle control motor being disconnected. Be sure to tuck the wiring you disconnected up in the engine bay so it doesn’t get caught in any moving parts.

How does a Harley Davidson 96 cubic inch motor work?

The said Harley Davidson mounting system of Harley Davidson 96 motor comes into play as the rpm of the motorcycle rises. The vibration of the engine reduces and the Harley Davidson motorcycles become very comfortable and smooth to ride especially at highway speeds.

What are the parts on a Harley Davidson idle?

The following parts were changed: Check Valve, Fuel Pump, Top Plate Gasket, Intake Seal 90-03BT/XL, Fuel Pressure Regulator, Idle Motor Kit, Autolite Plugs, HD Fuel Line, Check Valve again. After nearly four months of back and forth with the repair shop I picked it up on January 4.

What are the symptoms of a bad idle control valve?

$0.00 1 Irregular idle speed One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. 2 Check Engine Light comes on Another symptom of a potential issue with the idle control valve is an illuminated Check Engine Light. 3 Engine stalling

Is the idle speed motor on my 99 ultra bad?

I have a 99 Ultra with MM Injection. When I bought the bike 4 years ago the cold start/idle was terrible. Being in the car business it was not too difficult to diagnose as a bad idle speed motor. It actuated but once it touched the lever it would not move it.

Why is my idle not working on my Harley?

If after you try all the aforementioned methods and the problem still comes back, you may have a bad miniature bearing in the side plate. This will make the IAC act react erratically and change the idle setting. I tried everything on mine, but the problem always came back. After the bearing change I have had no more problems with my idle.

What should the voltage be when the engine is idling?

When I measure voltage at the battery terminals while engine is idling, it’s a pretty low 12.5v~ or so, when cooling/HVAC fans come on it can go below 12V completely. Revving the engine can top me out at 13V.

What’s the idle voltage on a Harley Davidson?

It seems that the bike will start with about 12 or so volts on the meter, and if I let go of the throttle before the voltage comes up to 14, the bike will die. Once the voltage is around 14v, the idle becomes stable at around 1000rpm.

What should I do if my Harley Davidson is idling?

Load test the battery too and if it is weak replace it being it idles normal once the voltage gets up there. Generally anything above 9-10 volts will run the electronics but there;’s always that exception. Thanks Glider, I’ll check all these things out. First, I’m going to find where that motor is and see if I can’t check it myself.

Where is the idle air control on a Harley Davidson?

I Googled idle air control, which brought up a post on another Harley site that addressed a similar problem. Without plagiarizing his work, that writer basically referred the reader to a small valve just inside the throttle body and in front of the throttle plate (The idle air control valve).

Why is my Harley Davidson Dyna Glide not starting?

If your battery voltage and connections are in good condition, but your engine is still refusing to turn over, the problem may be in the starter circuit. Perhaps the easiest place to begin is at the starter solenoid on the right side of the motorcycle.

What should the voltage be on a Harley Davidson Dyna Glide?

Use a voltmeter to measure the available voltage at the battery. A battery that is 100% charged will have approximately 12.6 volts, whereas a battery with a 0% charge will read 11.8 volts or lower. If your battery is low, charge the battery on a setting no higher than five amps for a few hours.

What to do when your Harley starts to misfire?

The bike would start at high idle and then slow to a stall. We then did a “wild” code check on the motorcycle and got a code for the Powertrain), P1356-no fire at the rear jug. We fixed the wire at the coil, and tried to start the bike again with the same result.

What was the problem with my Harley Davidson?

After about 15 mins she showed up and said her bike would not stay running. At each stop, it would stall but would always start after the fact. It died in the driveway. We tried to troubleshoot the problem but have been unsuccessful so far. Checked the fuel pump, getting gas, changed the plugs and checked the wires for leaks, no leaks.

How tall is a Harley Davidson Dyna Low Rider?

General information Dry weight: 290.8 kg (641.0 pounds) Weight incl. oil, gas, etc: 304.8 kg (672.0 pounds) Seat height: 681 mm (26.8 inches) If adjustable, lowe Overall length: 2365 mm (93.1 inches)

How much does a 2008 Harley Davidson Dyna cost?

2008 Harley-Davidson FXDL Dyna Low Rider. Picture credits – Harley-Davidson. Submit more pictures. More pictures… 73.5 out of 100. Show full rating and compare with other bikes US$ 14995. Prices depend on country, taxes, accessories, etc. Injection. Electronic Sequential Port Fuel Injection (ESPFI)

Is there an update for my 2007 Harley Davidson?

There was also a download update if memory serves for some of the 2007 or 2008 models regarding an idle issue, so check with your H-D dealer for Service Bulletin regarding this. (You must log in or sign up to reply here.)

When did the Harley Davidson Street Glide Stage 1 start?

Discussion in ‘ Touring Models ‘ started by patrickcarr, Jun 10, 2012 . 2007 Street glide stage 1 and slip ons other than that all stock.

What should resistance be for idle control motor?

Connect an Ohm meter to the two and measure the resistance between them. Fords are designed to operate with the resistance in the solenoid in a range between 7.0 to 13.0 ohms. If the resistance is outside that range, the idle control motor needs to be replaced.

How can I increase idle speed in a Chrysler?

If the resistance is outside that range, the idle control motor needs to be replaced. Use a bidirectional scan tool to increase idle speed in a Chrysler. Connect a bidirectional scan tool to the same OBD port you would plug a code scanner into. Use the command in the scan tool to increase the engine’s idle.

How can I tell if my idle control motor is working?

Look for a difference in idle speed. Allow the engine to run for a minute so it settles to a consistent idle, then take note of any difference in the idle RPMs versus the idle you observed earlier. If the idle has not changed at all, it’s likely because your idle control motor has not been functioning.

What to do when your car is at high idle?

While observing the valve with a flashlight, turn the key to the “ON” position, (DO NOT START ENGINE.) the valve should move slightly. Step 3 – Engine vacuum is a sealed system and must hold a specific amount to maintain proper idle conditions, inspect the engine vacuum hoses and intake gaskets.

What was the idle time on the herd?

When I went to leave there, the idle was now up to about 2000, by the time I got to Van Wert it was up to about 3500. I pulled every fuse I can access but it made no difference.

How can I reset the idle on my yellow check engine?

The yellow check engine will turn on for a few seconds then off. As soon as the light turns off turn ignition to off. Wait a couple seconds and repeat. Do this four or five times and this should reset the idle. Start the bike after this process and you should be idling normally again.

What kind of idle does a 2007 Heritage have?

What Jeff just described fixed the idle on a 2007 Heritage. Devildog turned me on to this. Evidently it resets the idle circuitry in a wide number of Harley EFI setups.

How to adjust idle speed on a Harley Davidson Sportster?

Practice getting the screwdriver onto the screw without the motor running, since the motor vibrates and if it’s rubber mounted, it will jump around making getting in the screw a bit of a challenge. You can also adjust the screw 1/4 of a turn at a time with the motor switched off and restart the motor to see where the idle speed is at.

Can a Harley Davidson EFI idle speed be adjusted?

Below is a section about Idle RPM tuning from official Harley Davidson SE manual (version 2011). The idle RPM can be set to the lowest value (the SE Super Tuner allows 800 RPM as the lowest value for EFI, you cannot set lower) or as slow as the engine is not dying. Below is the “Idle RPM” section from the manual:

What does idle mean on a Harley Davidson?

I get off the off ramp, down shifting like I normally do to a stop and the idle in 1st gear at stop stays very high, as if the throttle is stuck. I don’t really know how to describe it other than that. I think I first noticed it when riding down a big hill with my HOG group.

How to fix idle air control on a Harley Davidson?

Harley Davidson Idle Air Control Service..If your bike is having problem with its idle, The IAC needs to be cleaned..Will resolve your code issue and run like new. Tools needed 3/16 Allen wrench torx 27 bit and some CRC Throttle Body Cleaner..This will work on all fuel injected motorcycle. Loading…

What to do when idle speed is too high?

• If engine idle speed seems too high, decrease Idle RPM cells in appropriate engine temperature to correct. After a new oil pump was put into my FLHTCI it would run very rough at 900 rpm idle. I took it to the dealer and they turned the idle up to 1000 rpm.

When is the best idle time for a truck?

Rough idle when in drive..but idle is fine when in nuetra… Truck idle is rough when in drive with no acceleration (stop signs, red lights, traffic) but idle is fine when in park or nuetral. . Check engine light just started flashing recently

When to use rough idle when in drive?

Q: Rough idle when in drive..but idle is fine when in nuetral or park. Truck idle is rough when in drive with no acceleration (stop signs, red lights, traffic) but idle is fine when in park or nuetral. . Recommended Services. Car idle is rough Inspection.

Can a bad throttle position sensor cause idle surging?

Why does my car stall after a long ride?

After riding a while and it is hot it will stall at idle but starts back up with no problem. It just will not idle. It will also return to normal and idle fine after stopping for lunch. It sometimes is fine for the rest of the ride. Any Ideas? Check for trouble codes. A failing sensor will often “act up” when warm/hot.

Why does my fj80 have a high idle?

I had a higher idle in park or neutral (900 to 1100 RPM) that would drop to 800-900 RPM (in any gear). In other words, the two idle conditions weren’t equal. The ECU controls the idle by allowing or denying air into the intake.

Why does my car idle at a higher RPM than normal?

Updated January 19, 2019. If your car seems to be revved up to a higher-than-normal RPM while idling, it’s not necessarily a problem. If this problem happens while the engine is cold, it may be part of the engine’s design.

Why does my idle air control keep sticking?

These faults will often produce a trouble code however, intermittent sticking of the Idle Air Control can sometimes only be identified by hard starting, rough idle, or idling high after warmed up. Fits the following models. May fit additional Harley models not listed that use p/n 27658-06 .*

Why does my car idle all the time?

If the computerized engine control system is faulty, high idling can be one symptom. A vacuum leak in any of the hoses can be the culprit—inspect them all for leaks. A bad idle-speed control unit can cause the problem; it may need to be replaced.

How can I keep my car at idle?

Step 3 – Engine vacuum is a sealed system and must hold a specific amount to maintain proper idle conditions, inspect the engine vacuum hoses and intake gaskets. Step 4 – The air intake boot or tube is used to deliver air to the intake system of the engine.

Is there an intake manifold leak at high idle?

You may have an intake manifold leak on the bottom side of the engine at the lifter galley (I base this assumption by the fact that when you spray eather into the valve cover it changes the engine speed.) Re: high idle PLEASE HELP!!! You probably have a leak like aste25 mentioned.

How to troubleshoot an automotive engine high idle?

The troubleshooting procedure for high and low idle conditions are similar, which are included in the following: Step 1 – If the check engine or service engine light soon has illuminated retrieving the diagnostic trouble codes could lead you in the right direction of what the problem is, or is related too.

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