Why does my Harley Davidson have no fuel pump?

If battery static volts measure 11.6v or less with the ignition on the ECM won’t energize the system. am not getting any voltage at the 15 amp fuse at key on, also have battery charger on while testing. engine cranks at good speed. are there more powers and grounds at the battery then just the main positive and negative battery cables?

What should I do if my Harley won’t start?

Everything works perfectly – Lights, hear the fuel pump kick on, signal, brakes, switches appear fine and I changed the gas to highest just in case and nothing. I checked spark by pulling a plug and starting while on the cyl. and no spark. Put a new coil in it and nothing. Cranks great and all is appearing to be fine but no fire/start?

How can I get my fuel pump to run?

Swap an accessory fuse wuth the ignition fuse and give it a whirl. also if I use a “power probe” and apply battery voltage to the fuel pump fuse the fuel pump does run. thanks nipplesurfer, I did try that yesterday.

Is there no power to my coil or to my fuel pump?

Still no power seems to go to either one of those plugs. on the bike. I do have the kill switch in the on posistion. and my bike is in neutral… The starter turns fine.. I havent dug deeper into the fuse block location yet,,, to see if I have a wire that is not where it should be…. or whatever my ole eyeballs can determine…

What to do if your Harley Davidson won’t start?

Harley Davidson Sportster: Why Won’t My Bike Start? 1 Test your starter. Refer to Step 4 of the article Electrical Diagnostic Guide for information on starter testing. 2 Check for fuel. If your bike cranks but doesn’t start, the first thing to check is the fuel supply. 3 Check for spark.

How does a fuel pump mount on a Harley Davidson?

Fuel pump in unfolded position. Witht he assembly out of the tank, it is obvious how the pump mounts. There is a clamp, or sometimes 2 around the body of the pump holding it in place. Disconnect the wire, and hoses, loosen the clamps, and the pump slides out. Installation is just the opposite. Figure 16.

When to replace fuel filter on Harley Davidson?

Not only is regular replacement of the fuel filter part of your bike’s basic maintenance needs, but filter replacement will also allow for inspection or replacement of the in-tank fuel lines and fuel pump assembly. A clogged filter can hinder engine performance to the point that the bike may become unrideable.

How long does it take a fuse to activate a pump?

That fuse only sees voltage for 3 seconds or unless the engine is running. After turning the ignition on without starting the engine the pump will only activate for 3 seconds. What about the rest of the electrical system ?

What should I do if my fuel injected Harley wont start?

On fuel injected models, make sure that you can hear the fuel pump cycle when switched to RUN. If not, check your fuses. As always, the best way to avoid being stranded with your Harley Davidson is to be diligent about your bike’s maintenance.

Where does the power go on a Harley Davidson?

One on the back of the coil. and also the plug that goes to my fuel pump. I have checked the fuse for the fuel pump. 15 amp. seems good . I put another one in anyway. I also put in a new system relay in .. Still no power seems to go to either one of those plugs. on the bike.

Why does my Harley Davidson crank but not start?

There have been a few reports of a P1009 code – incorrect password also. It appears the turn signal and stalls or cranks but will not start. Try removing the ecm and security fuses, wait ten minutes and reinstall the fuses. This “reboots” the turn signal module and the motorcycle will then start from that point on.

Can a clogged filter make a Harley Davidson unrideable?

A clogged filter can hinder engine performance to the point that the bike may become unrideable. This article applies to Harley-Davidson Touring (2000-2015). Your fuel injected Harley Davidson touring bike needs a proper supply of presureized fuel to run properly.

How can I tell if my Harley Davidson has a fuel problem?

Check for intake gasket leak. Spray wd-40 around intake at jugs.See if you get any change in rpm. Could this be a venting problem? Once the engine starts to sputter how long before you can start it and have it run another mile?

Is there a problem with my fuel pump?

The first mile I drive there is no problem, but then it starts to sputter and act like a clogged filter. It idles fine. I removed the fuel pump and checked the lines and the filter sock. No visible cracks and the sock was clean. I replaced the gas and added injector cleaner but problem still exists. New plugs installed too.

What causes low fuel rail pressure on a Harley Davidson?

This could compensate for low fuel rail pressure, until the engine warms up. Your low fuel rail pressure can be due to a sticking pressure regulator. The pump is a constant pressure, but the demand changes, hence the pressure wants to vary. The pressure regulator bypasses all un-needed pressure/fuel back into the tank.

How can you tell if your fuel pump is failing?

If you ignore all of the other warning signs of a failing fuel pump, it will eventually fail completely. Once your fuel pump has finally given up the ghost, no fuel will reach your engine. You may hear your spark plugs firing when you try to start your car, but without fuel, the engine won’t be able to turn over.

Is the 2003 Road King Classic still running?

2003 Road King Classic was running fine. Had someone stop over and let him take it for a spin. Stalled once and had to get it fired but easy no problem. Followed the guy back home 1/2 a mile he jumped on it once and going back and then in the garage turning it off. Next day tried to start it up and it would not.

Is there a problem with the ECM on a Harley Davidson?

Tested the ignition coil and wires, all ok , even changed the coil and wires/spark plugs, all stays the same. bike is stock with only open exhausts and a Direct Link tuning map in the ECM. has somebody ever encounterd this problem ?

Is there an ECM signal to the fuel pump relay?

The fuel pump relay works as it should. I always have power to Pin 30. I believe the ECM tells the relay to work via the green/black wire to Pin 85. This should happen for 2 seconds when the key is turned on. I have tested this when the issue is occurring and have confirmed that no signal is being sent from the ECM.

Where does the electricity from the fuel pump relay come from?

This is the ground from the electromagnetic coil inside the relay that receives electricity from a switched power source to pin #86.

Why is my fuel pump relay not working?

Most of the time, if I leave the key in the On position, after several seconds to a few minutes, it will all of the sudden prime and the gauge comes alive. Then it will work for a few days until the next time it randomly doesn’t. I have ruled out the Passkey issue. The fuel pump relay works as it should. I always have power to Pin 30.

What does no start on Delphi fuel injection mean?

If you have a no start condition on your motorcycle with Delphi fuel injection. The problem occurs one time and does not return, so is difficult to diagnose. When the condition occurs, a P1010 code – missing password, is normally set. There have been a few reports of a P1009 code – incorrect password also. It appears the turn signal

How do you change the fuel line on a Harley Davidson?

If you have EFI it is a little tricky because of the fuel pump. Before the assembly will come out of the bike you need to use side cutters on the rear fuel line to remove the clamp. This clamp will be replaced with a new screw type Stainless Steel clamp or better a 7/16 spring clamp on reassembly.

Can a fuel gauge be removed from a Harley Davidson?

If you have a lot of resistance or feel like you have to pull hard on the harness, stop and reevaluate. Something is wrong. The wires should pull through with little effort during Harley Davidson fuel gauge removal. If you are replacing your stock gauge with an aftermarket gauge, you should use the same factory plugs and pin connectors.

What causes intermittent fuel delivery on a Harley?

8) Gas cap venting. Another problem that will cause intermittent issues with fuel delivery is a gas cap with a malfunctioning vent. The built in vent inside the gas cap allows air to be drawn into the tank to displace the fuel as it is used.

What to do if your fuel pump won’t turn over?

Replaced fuel pump turns over like new but won’t start fu… Replaced fuel pump new engine but still won’t turn over what else could it be My car has 157000 miles. My car has an automatic transmission. Of course, confirm that the engine immobilizer system (security system) is not activated thus preventing the car from starting.

Why is my Harley Davidson Sportster not starting?

Place your Sportster in second or third gear for the best results. A battery that can’t start your engine may no longer be recharging properly because of its age and current state of charge. The ground cables that connect the battery to your Sportster frame must also be undamaged and free of corrosion.

Where to check for no start fuel pump?

The first thing you want to do is check the fuse panel to see if the fuse is blown. If your car has two fuse panels than the one in the engine compartment; should be the correct one to check. The fuse panel or circuit box is usually located near the battery; and is a small black box with a removable lid.

What does no start, no fuel pump mean?

Not sure if that is the problem though as that fuse may get power after a relay closes? fuse is good. Any other ideas? No start, no spark, no fuel pump. working on my 2008 screaming eagle ultra classic that I just got. Engine is a no start.

What causes a fuel pump to not ignite?

If there is fresh fuel being delivered by the injectors (not just “to” the injectors) and the ignition system is working, that means that the air fuel ratio of the mixture delivered to the cylinders is so far off that the mixture just won’t ignite.

When is the fuel pump relay turned on?

The fuel pump relay is an important component of the fuel system of your vehicle. The fuel pump relay gives the fuel pump power when it is time to build up fuel pressure in the rail. Whenever you turn on the ignition of your vehicle, the fuel pump relay is turned on. There are different reasons due to which the fuel pump relay fails.

What should I do if my fuel pump is not working?

Usually, when you start your car the fuel pump gives off a slight buzzing sound signaling that it has started working. However, if there is any problem with the fuel pump relay the fuel pump will not respond at all and you will be left turning the ignition key again and again. If you experience such an ordeal, it is time to visit the mechanic.

Why does my fuel pump make a whirring noise?

When you turn the ignition on in the ignition lock, you should hear a whirring noise from the rear of the car. This means that the fuel pump started building fuel pressure in the fuel rail. If you cant hear this, there might be a problem with the fuel pump relay.

What to do if your fuel pump is not working?

Easy way to eliminate spark problem from fuel problem is to remove air filter and squirt some gas in intake while spinning starter. If it fires, you know it’s a fuel problem, not spark. “The last few days,, I have been trying to track down,, why I might not have power 12v. wise going to my two plugs.

Why does my Harley Davidson engine not start?

Will not start. A quick squirt of gas into the air cleaner will cause the bike to run briefly telling me that the problem is probably between the pressure regulator and the injectors. Could it be the injectors, could it be the ECM not opening the injectors….bad ECM?

What causes a Harley Davidson to run out of gas?

A quick squirt of gas into the air cleaner will cause the bike to run briefly telling me that the problem is probably between the pressure regulator and the injectors. Could it be the injectors, could it be the ECM not opening the injectors….bad ECM? Crank positioning sensor? Any ideas? I {Heart} Hookers.

Can a car start with no fuel in it?

Once your fuel pump has finally given up the ghost, no fuel will reach your engine. You may hear your spark plugs firing when you try to start your car, but without fuel, the engine won’t be able to turn over. Of course, there could be other explanations for your engine’s failure to start besides a failed fuel pump.

Why is my Harley Davidson Ultra Classic not starting?

I have a 2010 ultra classic with ABS. It is not starting. The battery voltage is 12.75 off the battery. When I turn the main switch on, I get a drop to 12.5, and when the kill switch is turned on, I get a drop to 12.38. The self test goes out and hit the start switch with nothing – no volt drop, no starter engage, no nothing. DEAD.

Why is the fuel pump not working on my Harley?

Key fob battery was dead. Discovered that with a good battery in the fob when I turn ignition to on I can hear the fuel pump charging the system. When the fob is out of range everything works except the fuel pump. Hence the no start issue. Thank you a thousand times over. I spent Over two hours checking every electrical item I could.

Why is my starter not working on my Harley?

That black wire with the red tracer should be sending 12v to the starter relay. Be sure that this wire is not damaged or pinched anywhere in its travel. This will be more common when wires have been routed through the bars, or switch housings/switches have been changed. Don’t forget to use your multimeter inside the switch housings too.

Can a bad fuel pump cause a car to not start?

Troubleshooting The Fuel Pump (GM 4.3L, 5.0L, 5.7L). A bad fuel pump will make your 4.3L, 5.0L, or 5.7L throttle body fuel injected pickup or SUV crank but not start. Here are some more specific symptoms: The ignition system is creating and delivering spark to the spark plugs.

Why is the fuel pump relay not turning on?

The ECM controls the fuel pump relay and this relay will only energize when commanded on. Does the check engine light come on; if not, then the ECM is not turning on. Do all the other combination meter warning lights come on?

Where is the throttle body fuel pump located?

As you’re already aware, the throttle body fuel injection system on your 1987 to 1995 4.3L, 5.0L, or 5.7L pickup (or SUV) uses a low pressure (12 PSI) electric fuel pump located in the gas tank.

Why is there no power going to fuel pump?

There are a lot of things that need to be verified before replacing any other parts as this will eventually become very expensive. Many times, the battery has failed and the vehicle will not start or provide power; it could simply be worn out or there could be a parasitic draw or a weak alternator that is not properly charging.

When does a fuel pump relay go bad?

If you’re lucky and your car restarts after a short while, your fuel pump relay is faulty, which requires immediate inspection. The fuel relay may be the culprit if the car suddenly seems to lose power while driving, or slowing down with no apparent reason.

Why does my car have no fuel pressure?

Many people recognize this sound every time they start the car but don’t realize it is the fuel pump running. If you “DO NOT” hear the buzz of the fuel pump; then your engine has no fuel pressure, and we need to see why. The first thing you want to do is check the fuse panel to see if the fuse is blown.

Navigation