1991 Ford Escort "idle surge park" Questions

...idle pulses at a stop or when in park. No problems once the accelerator is engaged. Question edited for clarity. Question moved to model category. Probably the IAC (idle air control) valve. ...

...or drive can you tell what is wrong . Here is the most common cause of surges and stalls and low idle, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over ...

...park or nuetral. thanks! this is your problem: Here are the most common causes of surges, stalls at stops, low erratic idle speed, rough idle and engine hesitation (and other problems), it is in most ...

...idle surge at park and get worse at drive usually cleaning the idle speed contrlol valve from carbon buildup, fixes idle surge and stalling. try soaking vave in throttle body cleaner or inyector ...

...surges or idles high car surges or idles high in drive & reverse but kicks down in neautral or park Have you install a timing belt recently? If you get it off a tooth it will idle high and ...

...surge to fast idle then back to normal idle. To confirm this cycle I watched for 10 consecutive cycles. You could set your watch by it, the cycles were so consistent. Please advise. Idle air control ...

idle issues and also surges while in park. (can go 35mph without stepping on gas pedal) If your idle is going from 500rpms to 1000rpm's fluctuating at and idle your EGR valve is probably carbon up and

...in park after it gets warm Check for a vacuum leak. This can cause a higher than normal idle. It can also cause a surge since the idle air control tries to adjust the amount of air required to

...civic that is surgeing while in park The surging is related to your Idle Air Control Valve (IACV), it adjusts idle based on coolant temperature, your coolant could be low or your IACV could be

...running, surges when in park it idles fine without hesitation. once in gear, drive or reverse it starts to surge and wants to stall out. Get the fuel mapping sensor looked at. what type of car is