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1990 Cadillac Fleetwood 4.5L Misfire
Posted to GM Driveability on 8/2/2002 1 Reply

We suspect the ECM has some trouble for the communication and engine fuel delivery control. The fuel injectors resistance #3 17.9 ohm, #7 17.3 at 130 degree, the new one is 16.6 at 90 degree. The voltage of the injectors when engine runs at idle, hot #1: 13.3-...

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  Related Documents & Media  1990 Cadillac Fleetwood

 
Message Closed w/FIX

car Vehicle Data

1990 Cadillac Fleetwood

VIN 1G6CB534L4
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsCANADA
SymptomsMisfire
OccursAlways

Trouble Codes

E48egr system fault
E75vss signal intermittent
Message Closed w/FIX

car Vehicle Data

1990 Cadillac Fleetwood

VIN 1G6CB534L4
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsCANADA
SymptomsMisfire
OccursAlways

Trouble Codes

E48egr system fault
E75vss signal intermittent