Questions & Answers for: mystique rough idle

mystique stalls when I stop a red light It seems that when I am at a red light my car idles then it stalls. It started doing this since the weather has been warming up. I am a Ford tech (35 years) and

rough idle when start, or stop at trafic light, sometimes stall or stall when I turn. 98 Mystique, 2.0L engine a vacuum leak on the engine somewhere can cause this symptom

...MYSTIQUE, SABLE, TOWN CAR, TRACER LIGHT TRUCK: 1995-96 AEROSTAR, BRONCO, ECONOLINE, F-150-350 SERIES, RANGER, WINDSTAR 1996 EXPLORER This TSB article is being republished in its entirety to include ...

rough idle and stalls at stops runs fine over 1000 rpm already tried fuel filter and fuel addative. check your throttle position sensor Check you mass air flow sensor. its connected just after your ...

tranny problem shift up an down rough idle Check vehicle speed sensor.

...Mystique w/ 2.0 - 4cyl., auto trans., about 121k miles. Started idling low and rough, wanted to die at stops. Check engine light came on. Had codes read, P0171 came up. Internet search suggested ...

po171 mercury mastique po171 replaced o2 front sencor gas milage came back to 30mpg but still runs rough and idle hard cant find leak any where have you checked the egr valve

...rough when starting i must give my mystique gas in order for it to run after starting it runs rough. Sounds like your idle valve has stopped working . Does it run fine when warmed Up? If so I would ...

...Mystique 2.0 trouble with idle. replaced idle mixing valve. I don't get any codes, I have to shift to neutral at a stop sign or light to keep from stalling. It gets real rough almost a lope. troubles ...

mystique over heating.. Ok... Similar to the Ford contour.. Engine is overheating.. Fans are running well! Water pump looks fantastic.. Water pump belt looks great.. Replaced thermostat.. old one look