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1990 Mercury Grand Marquis 5.0L Misfire
Posted to Ford Driveability on 3/10/2000

Hi group! Just installed rebuilt motor and left bank has very slight missfire. It shows up on the left o2 very well.I have done Injector balance test on all four cylinders and they are within 1 psi of each other. I watched injectors on the scope and they a...

 
Message Closed w/FIX

car Vehicle Data

1990 Mercury Grand Marquis

VIN 2FACP74F4L
Engine5.0 L / 8 cyl
EmissionsUS
SymptomsMisfire
OccursAlways
Message Closed w/FIX

car Vehicle Data

1990 Mercury Grand Marquis

VIN 2FACP74F4L
Engine5.0 L / 8 cyl
EmissionsUS
SymptomsMisfire
OccursAlways