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1991 Mercury Grand Marquis LS 5.0L Surge
Posted to Ford Driveability on 7/8/2010 6 Replies

Vehicle Runs fine off idle, starts great. Intermittently will surge at idle. Then problem clears up. During this idle surge, engine light may come on, but not always. no stored codes.

Thanks!

6 Replies Received (View Replies)

  Related Documents & Media  1991 Mercury Grand Marquis LS

 
Message Closed w/FIX

car Vehicle Data

1991 Mercury Grand Marquis LS

VIN 2MECM75FXM
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
SymptomsSurge
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1991 Mercury Grand Marquis LS

VIN 2MECM75FXM
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
SymptomsSurge
OccursIntermittently