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1996 Cadillac DeVille 4.6L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 2/7/2007 7 Replies

Good Morning

We have this 96 Cadillac deVille with a DTC P0507 (idle 80 rpm over specs with throttle closed-desired idle on scanner is 640 rpm and the engine is idling at around 1050 rpm). Originally, this car came in from another shop where a used engine ass...

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  Related Documents & Media  1996 Cadillac DeVille

 
Message Closed w/Summary

car Vehicle Data

1996 Cadillac DeVille

VIN 1G6KD52Y4T
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On

Trouble Codes

P0507Idle Speed Control System Higher Than Expected
Message Closed w/Summary

car Vehicle Data

1996 Cadillac DeVille

VIN 1G6KD52Y4T
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On

Trouble Codes

P0507Idle Speed Control System Higher Than Expected