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1989 Mercury Sable LS 3.8L Misfire
Posted to Ford Driveability on 6/14/2002 4 Replies

Came in with misfire, had erratic ignition patterns, performed tune. Still had misfire, vacuum was low, and had steady drop. Compression was between 155 and 175. No vacuum leaks found. Vacuum low and had steady drop like valve train. Removed intake and valve c...

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car Vehicle Data

1989 Mercury Sable LS

VIN 1MEBM5349K
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / MPFI
EmissionsOBD1
SymptomsMisfire
OccursAlways
Message Closed

car Vehicle Data

1989 Mercury Sable LS

VIN 1MEBM5349K
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / MPFI
EmissionsOBD1
SymptomsMisfire
OccursAlways