OMG!! my car is shutting off! so heres the deal. i have a 94 auto base mustang. the problem is is that my gauge for fuel pressure sits at the bottom it only raises when i i hit 50 mph but it barely raises at all. and for past week or so if i let my car sit at a stop light and in D it will stutter and shut off!!!! on top of that my car will not stay on when first started!! i have to start it and rev it to 2000 rpms back and forth for bout 2 or 3 minutes to keep the car on once i do that it will stay on. what is wrong with my car anyone have any ideas?? i bought they car with many problems didint think it would ever be shutting off on me know. if anyone can help please do thanks.!!!!
car shuts off!!
- Thread starter 94mustang0886
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Big Show 96
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wmburns
SN Certified Technician
Does this MY have an Idle Air Controller (IAC)? Sounds like the IAC is not supply enough idle air to keep the motor running when the throttle body butter fly valve is closed.
Disconnect the electrical connector to the IAC. The motor should die or the RPM's drop. Or if there is absolutely no change in symptom with the IAC disconnected, suspect an IAC problem. They fail often enough that the possibility should not be ignored.
Disconnect the electrical connector to the IAC. The motor should die or the RPM's drop. Or if there is absolutely no change in symptom with the IAC disconnected, suspect an IAC problem. They fail often enough that the possibility should not be ignored.
MustangLX-5.0
Founding Member
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