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1993 Cadillac DeVille 4.9L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 3/20/2007 23 Replies

Hey guys;

This one is killing me. 90% of the time this has a dead miss #6 cylinder. Pulled the spark plug and was fuel fouled. Installed new plug and still missing. Performed injector balance test (OK); Scoped with low amps probe #6 injector (good - even show...

23 Replies Received (View Replies)

  Related Documents & Media  1993 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6KD54Y03
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0385Camshaft Position Sensor 'B' Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6KD54Y03
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0385Camshaft Position Sensor 'B' Circuit Malfunction