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1990 Cadillac Fleetwood 4.5L Misfire
Posted to GM Driveability on 7/25/2003 9 Replies

We have had this car for about a month and I’m stumped. Fuel pressure is good, vacuum is 19 and steady, no codes, no vacuum leaks, number 7 and number 2 are miss firing and seem to get worse under pressure. We changed the plugs, wires, cap, coil and we even ch...

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  Related Documents & Media  1990 Cadillac Fleetwood

 
Message Closed w/Summary

car Vehicle Data

1990 Cadillac Fleetwood

VIN 1G6CB5337L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
SymptomsMisfire
OccursAlways, Under Load, Idle
Message Closed w/Summary

car Vehicle Data

1990 Cadillac Fleetwood

VIN 1G6CB5337L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
SymptomsMisfire
OccursAlways, Under Load, Idle