When did rough idle on WRX come out?
Discussion in ‘ Modifications And Maintenance ‘ started by Velislide, Oct 14, 2012 . Okay, I’ve been reading since I got my WRX, about the rough idle issues.
What does it feel like when your car Idles?
When your car is experiencing a rough idle, your engine may chug, vibrate, or shake while it’s running. This will cause your overall driving experience to feel rough and you’ll likely be bouncing a little bit in your seat from it. When the engine idles, there will usually be a misfire that you can feel just from holding onto the steering wheel.
What causes the engine rpm to go up when idle?
When the engine idles, there will usually be a misfire that you can feel just from holding onto the steering wheel. Furthermore, the RPM of your engine will be higher than normal when the vehicle is idling. The RPM will usually go back to normal as you accelerate the vehicle, but will increase again after you stop.
Why is my car surging at idle speed?
When an engine’s computer can “hunt” or “surge” at cruising or idle speeds it is searching for program compliance, there is a problem elsewhere in the system.
Discussion in ‘ Modifications And Maintenance ‘ started by Velislide, Oct 14, 2012 . Okay, I’ve been reading since I got my WRX, about the rough idle issues.
When an engine’s computer can “hunt” or “surge” at cruising or idle speeds it is searching for program compliance, there is a problem elsewhere in the system.
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.
Can a bad throttle position sensor cause idle surging?
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. 3) Check Engine Light
Why does my Subaru run poorly at idle?
Ever since I got the car it has idled poorly, but always ran fine once off of idle. In the process of diagnosing the bad idle, I replace several parts (coils, O2 sensor, etc).
What are the symptoms of engine running lean?
An engine may also be difficult to start. Another symptom of an engine running lean is when there is an engine knock or detonation (pinging) under load or when accelerating uphill. With a good scan tool that shows the live data diagnosing the code P0171 is fairly easy.
What should I do when giving throttle on a Subaru?
I take off the cone air filter from the intake and put a plastic cap with an air fitting into the coupler and tighten the coupler clamp down. I dial down my air compressor to 15 psi and hook it up to the fitting on the intake. Then I listen and look for leaks.