Does not regulate and stalls
Ford Escort 1998 130000 miles
I own an Escort 99, engine Zetec 1.8, and its problem is that, when warm, it does not regulate, accelerates and decelerates by itself until it stalls. After that, it starts working back normally but again, once the engine warms up, the failure appears. I've already changed the engine, spark plugs, wiring, filters, even the battery, but everything is still the same. I would appreciate it if anyone could tell me what might be wrong.
1 report
AR
It is the Idle Air Control Valve that is failing. Good luck.
Vote helpful1
TA
It is the butterfly valve that needs to be opened.
Vote helpfulSO
Your problem has to do with the sensors. Check the oxygen, water and air temperature and TPS sensors, and even the resistance that works with the throttle. If you have an acceleration sensor you should check it as well.
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