What should the idle speed be on a Mazda 3?

But i’ve never owned one of these when it WASN’T doing it, so i’m not exactly sure what it’s supposed to sound/feel like when it’s running right. When i start the car cold, it revs up to about 1500-2k rpms and slowly comes down to what i’d consider a normal idle of ~800-900 rpm’s.

Why does my Mazda 3 want to stall?

I’ve got the EXACT same problem. Put it in Neutral or Park, idles at 700 RPM. Put it in Drive and brake, idles at 300 and it feels like the car wants to stall. When the car is cold, it’s fine. When it warms up, it acts up.

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.

Why is my Mazda CX7 not starting properly?

Then they installed a new high pressure fuel pump (I guess the CX7 has two fuel pumps). Finally, after 10 days it seemed like the problem was rectified. However one day later the problem reoccurred. They tell me it is the high pressure fuel pump again.

Which is the only Mazda dealership in town?

They are the only Mazda dealership in town. If I want a rental while it is under repair I have to go to them. In any event, I believe they are going along with my lemon law claim and should be returning my money, unless the dealership is just jerking me around. This morning we found that our new CX-7 (08) wouldn’t start. It wouldn’t crank.

When did the last Mazdaspeed model come out?

Like AMG is to Mercedes, MazdaSpeed was the company’s in-house tuner. It’s been silent for years now, which is probably why old MazdaSpeed models are now very affordable. The MazdaSpeed3 was the last model from Mazda’s sport division. The Speed3 was sold from 2007 to 2009, and was given a facelift in 2010 to coincide with the then-new Mazda3.

When did the Mazda Speed 3 come out?

The Speed3 was sold from 2007 to 2009, and was given a facelift in 2010 to coincide with the then-new Mazda3. Mazda sold the Speed3 until 2013, when it was eventually killed off. This marked the end of MazdaSpeed as we knew it.

How many miles does a Mazda 3i sport have?

Second, i haven’t crossed a description of the problem that quite matches what i’ve got yet, so i’m hoping someone sees something here that i’m not seeing. just bought the car, 2008 Mazda 3i sport 2.0l with 119k miles, a few weeks ago and it’s been doing this since i got it.

Is there another post about the rough idle?

Before you get mad and think “another freaking post about the rough idle??!! Don’t you search the forums first??!!” let me explain… First, i have read probably every forum on here dating back 5+ years about the idle issue. And i’ve tried just about every suggestion i’ve come across, spare the major PITA ones.

Why does my Mazda 3 not start in neutral?

Sometimes a car does not start in “Parking” but starts in “Neutral” because of a problem with a safety switch in neutral. Are the battery cables tight and not corroded? Do you think there is enough fuel in the tank?

Why does my Mazda not start when I Turn on the ignition?

If when you turn on the ignition, the “Security” light stays on or flashes, it means that your car’s security system does not recognize the key or that there is a problem with some parts of the security system itself. Sometimes the key just needs to be reprogrammed.

Is there a problem with my Mazda 3?

After my 2015 Mazda3 with the 2.0 engine sits unused a couple of days, I sometimes have a problem getting it to start. It doesn’t seem to acknowledge either of my keys.

How can I tell if my Mazda 3 has a ignition problem?

So I figured the car must not have detected the key within its proximity (I had no idea how I came to that conclusion at the time) and I just exit the car and walk a sure distance away from it to where I know it wouldn’t registrar the key and simply walk back into it. Sure enough the key light on the dash lit up and everything seemed to work fine.

What’s the low idle rate on a Mazda 3?

After putting in re new battery it began starting up quicker/nicer. But now I am idlng very low. I used to idle at like 850-950rpm and now I idle 750 and below and I feel the car shake as the needle kind of dances between 500 & 750. And the other day it actually stalled.

After my 2015 Mazda3 with the 2.0 engine sits unused a couple of days, I sometimes have a problem getting it to start. It doesn’t seem to acknowledge either of my keys.

Why does my Mazda 3 stall at stops?

Something similar happened to me with my 2004 Mazda 3. At the end, the problem was the fuel pump. After disconnecting the battery to jump start another car, my car’s PCM could never re-learn how to control the engine because the fuel pressure was way below specifications.

Why does my Mazda 626 shake at idle?

if the car shakes alot it´s most common not a problem of the idle, it´s a hint that you should take a closer look at your engine because there is something wrong with the air-fuel mix, or the ignition. The idle was set before to a proper rpm. As long as the carburator or the throttle body wasn´t changed, the idle shouldn´t change.

Why is the idle speed of my car so high?

Step 2 – The idle air control motor (valve) is responsible for controlling the engine idle speed, if this part fails or becomes weak the engine idle speed could become erratic, additionally, this condition may or may not trigger the MIL (check engine, service engine soon light.)

Why is the idle not working on my Mazda 626?

If the idle smooths out, you have an EGR valve control problem. If not, try tapping the EGR valve and see if it shuts. You can reach under the EGR valve and manually push the diaphragm up and down to see if it makes a difference. You may have to remove the EGR valve completely to check it.

When does the idle air control valve change?

When the engine is running but the vehicle is not moving, this means the engine is idling. During this time, the number of revolutions per minute (RPM) inside the engine will change. The idle air control valve is responsible for managing the engine idle speed.

How does Mazda Idle Stop and restart system work?

Special note to the idle stop and restart system of the engine. Mazda’s i-stop used combustion as a part of idle stop system in combination with the electric-powered starter motor. The system can identify which cylinder was in the correct stroke position, and after that injects and ignites fuel into the cylinder.

What causes the idle speed to go up or down?

The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. If the valve fails or has any issues it can cause the idle speed to be thrown off. This may result in an unusually high or low idle speed, or in some cases a surging idle speed that repeatedly climbs and falls. 2. Check Engine Light comes on

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

What causes an idle surge on a Mazda6?

An idle surge (rpm falling and then rising) surfaced and would show up once in a while, not constant. took the car to a mechanic and started looking into that. got a new clutch (almost no clutch left) found a leaking rear main seal, fixed that, machined the flywheel.

What kind of fluid is in a Mazda 3?

This guide on checking lever and adding automatic transmission fluid on Mazda cars, including Mazda 3, 5, 6, CX5- CX-7, CX-9 Protege, and Tribute.

What’s the RPM of a car when it idles?

When the car starts it idles fine at about 1000 RPM. As soon as it warms up, it starts to idle rough, between 500 and 750 RPM. It almost quits running. As soon as you give the car some gas it runs just fine.

What does rough idle mean on a car?

As soon as it warms up, it starts to idle rough, between 500 and 750 RPM. It almost quits running. As soon as you give the car some gas it runs just fine. About 3 weeks ago I got a “Engine Lean” check engine light error. I reset the system and have not gotten the error again. Since then I have: Ohmed out the air idle controller.

Where does brake fluid leak in Mazda 3?

Other times, you can find a leak of brake fluid below the master cylinder at the firewall (which can cause the booster to leak, but is ultimately also a worn master cylinder where the fluid is leaking past the seal at the pushrod). did you clean your throttle body?

What causes idle RPM on Mazda 3 p0506?

Here are some of the most common causes of P0506 in the Mazda 3, as well as waist to troubleshoot them. Keep in mind that there are differences in model years. It would be a good idea to start by looking for a vacuum leak and move forward from there. A leaking vacuum system will often cause the 3 to idle higher.

What is the OBD2 code for a Mazda OBDII?

OBDII Mazda Code Definitions. Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.

What is the diagnostic code for bad throttle position sensor?

Using a code reader, you should be able to confirm whether a faulty TPS is the culprit or a different component. Diagnostic trouble codes P0120, P0121, P0122, P0123, and P0124 are what will commonly appear. The engine can stall for no reason and without any warning. This happens when the TPS gives incorrect information to the ECM.

Why is my Mazda 3 2.3 not starting?

I recently started noticing that my Mazda 3 2005 2.3 was not starting as enthusiastically as it used to. I ended up changing out the battery just cuz I haven’t changed it in almost 5 years.

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