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2002 Cadillac DeVille 4.6L Poor Idle Quality
Posted to GM Driveability on 7/21/2006 4 Replies

This Cadillac has a very high idle (1700 rpms) all the time changed IAC and smoke tested for vacuum leaks (none found) apply gas will stay at 3000 RPMS (cables are all free)

4 Replies Received (View Replies)

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car Vehicle Data

2002 Cadillac DeVille

VIN 1G6KD54Y92
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways
Message Closed w/FIX

car Vehicle Data

2002 Cadillac DeVille

VIN 1G6KD54Y92
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways