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1991 Mercury Grand Marquis LS 5.0L Stall, starts, then stall
Posted to Ford Driveability on 8/11/2000

Problem:

Vehicle had R.P.M fluctuations, dealer installed IAC and adjust idle screw. Problem not corrected 100%. Came here and RPM same and now stalls upon start up, must keep accel on to keep running.

Tested:

*Codes for O2 sensor (flatine wave pattern) *E...

  Related Documents & Media  1991 Mercury Grand Marquis LS

 
Message Closed w/FIX

car Vehicle Data

1991 Mercury Grand Marquis LS

VIN 2MECM75F6M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCand. Emissions
SymptomsStall, Starts, Then Stall
OccursAlways, Idle
Message Closed w/FIX

car Vehicle Data

1991 Mercury Grand Marquis LS

VIN 2MECM75F6M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCand. Emissions
SymptomsStall, Starts, Then Stall
OccursAlways, Idle