Why does my car rev itself when idle?
It sounds like you may have a dirty or failing idle air control valve. When the engine RPM drops below the normal range of about ~800 RPM, this often times will cause the engine to stall indicating a dirty or faulty idle air control valve.
Why does my car rev in park?
The idle is controlled by the idle air control valve and if it cannot keep the engine idling it will keep trying to rev the engine up to compensate. A vacuum leak, sensor that has failed, or an EGR system malfunction could potentially be the cause of the erratic engine you’re experiencing.
Why does my Volkswagen Golf judder when idling?
Regards Peter its ok sometimes when not idling, when im going down the motorway it starts to judder at times, i stay in the slow lane because im not sure when its going to do it, unpredictable to say the least is how the car runs, could it actually be the ecu being faulty causing the problem or have i wasted more money?
Why does my Volkswagen Golf lose power when I accelerate?
Volkswagen Golf Questions – My car loses power when I accelerate. I have noticed this when enterin… – CarGurus My car loses power when I accelerate. I have noticed this when entering the motorway on a slight downhill on the slip road. I have run a diagnostic test with a code reader and nothing appears? My car loses power when I accelerate.
What to do if your golf is idling?
Automatics do not have clutches, they have torque convertors and brake bands. However the isolation gasket is under the injector body/throttle bady and the inlet manifold. Remove the air filter, run the engine and try rocking the throttle body back and forth, if it alters the engine performance then there is you problem.
What should the idle RPM be on a car?
Your engine should normally get to around 700 RPM after you start the vehicle, depending on the model. If your idle is way off and you have one or more of the problems listed above, then you will want to diagnose the issue right away.