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1989 Mercury Grand Marquis GS 5.0L Misfire
Posted to Ford Driveability on 11/25/1998

This vehicle has what seems to be a ignition miss only at cruise with the transmission in OD, Cyl number 2 Kv will jump up to 25 - 30 Kv (only on a road test with my Fluke 98 hooked up) the plug, wire, compression and fuel injector where checked with no proble...

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car Vehicle Data

1989 Mercury Grand Marquis GS

VIN 2MEBM74F5K
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsOBD1
SymptomsMisfire
OccursUnder Load, Cruise
Message Closed w/FIX

car Vehicle Data

1989 Mercury Grand Marquis GS

VIN 2MEBM74F5K
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsOBD1
SymptomsMisfire
OccursUnder Load, Cruise