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1993 Cadillac DeVille 4.9L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 1/31/2007 10 Replies

This is my first post. Please help me. I rebuild automatic transmissions so I'm not that good with misfires. Thanks.

This car was running rough always. The service engine soon light came on and it would sometimes stall. It would always restart. You did not ha...

10 Replies Received (View Replies)

  Related Documents & Media  1993 Cadillac DeVille

 
Message Closed w/Summary

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD53B9P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsUS Fed Emissions
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

E23Electronic Spark Timing EST Signal Fault
E41Camshaft Position CMP Sensor or Circuit Fault
Message Closed w/Summary

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD53B9P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsUS Fed Emissions
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

E23Electronic Spark Timing EST Signal Fault
E41Camshaft Position CMP Sensor or Circuit Fault