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check your idle air control valve
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∙ 14y ago
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Why does my 2001 Mercury Marquis LS stall?
Replace your IAC Valve-No more stalling
Why does my mercury cougar stall in reverse?
Your Mercury Cougar might stall in reverse because of a problem with a bad crank sensor. This problem could also be due to the crank sensor wires which are damaged or not wired correctly.
Why does a 1985 mercury marquis stall when shifted into gear with cold engine in cold weather but not in warm weather?
Faulty ECT (engine coolant temperature) sensor. Replace it.
Why does a 1973 727 transmission make the engine stall when placed in drive or reverse?
I really doubt it's the tranny making your car stall, it's either carburetor problems or the idle is set too low.
Why would a car stall in reverse?
This happened to me on a 1986 cutlass 2.5. A wire was shorting out going to the map sensor and only did it in reverse. The bracket on the alternator had rubbed a hole and only grounded when the motor moved, when placed in reverse. I fixed it temporary with electrical tape.
Why would a 1999 Mercury Grand Marquis start but then stall right away?
Likely the fuel filter is clogged so you need to change it. If you can keep the engine running by pumping throttle a few times at start up, and then it runs, check the filter; cost about $10.00. On My 1999 Mercury Grand Marquis I had to replace the Idle air control valve because it did stay running until it was warm
Why would a car stall shifting from park to reverse?
A car might stall when shifting from park to reverse if the idle is set too low. It is also possible that the engine stalls because it is not fully warmed up before shifting from park to reverse.
Car stall in reverse gear only?
There are several reasons that a car may stall only in reverse, the best way to narrow down the issue is to use a diagnostic tool. The diagnostic tool will show which sensors on the transmission may be malfunctioning enough to stall the engine.
Why would an engine seem to almost stall when put in reverse but idle fine in park engine is 94 351 windsor?
Why would it stall or almost stall in Reverse but not in Drive? How long since it's received a tune-up and thorough check-up? How is the compression?
86 mercury grand marquis stalls at stop signs and red lights. Car restarts immediately. Car runs fine in neutral or park.?
I experienced a problem with a 84 Grand Marquis that would stall at stops. Found that the ignition switch in the steering column had separated that caused the stalling problem. Replaced the ignition switch that solved the problem.
98 Cadilliac STS w 58k miles it does not stall in reverse it stalls most times when placed in drive sometimes it will drive forward if catch it right but rpm gauge does not work when that happens?
try replacing the fuel filter
Why would a car stall in drive but not in reverse?
Because reverse is a lower ratio gear than drive and puts less load on the engine.
