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1999 Mercury Grand Marquis GS 4.6L Misfire, MIL Lamp on, buck
Posted to Ford Driveability on 7/23/2010 15 Replies

car started acting up three years ago. Would randomly buck under a steady load. If you accelerated or decelerated would smooth out. Did not act up every time car was driven. Did not set any codes. Made no difference in drive or overdrive. Didn't matter wet, dr...

15 Replies Received (View Replies)

  Related Documents & Media  1999 Mercury Grand Marquis GS

 
Message Closed w/FIX

car Vehicle Data

1999 Mercury Grand Marquis GS

VIN 2MEFM74W9X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp on, Buck
OccursCruise, Intermittently

Trouble Codes

P0307Cylinder 7 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Mercury Grand Marquis GS

VIN 2MEFM74W9X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp on, Buck
OccursCruise, Intermittently

Trouble Codes

P0307Cylinder 7 Misfire Detected