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International Automotive Technicians Network
1997 Cadillac DeVille 4.6L Poor Idle Quality
Posted to GM Driveability on 10/23/2012 9 Replies

this vehicle has an intermittent very high idle, but if you shut the engine off and restart it when codition occurs the idle returns to normal, also when idle ramps up hvac blower motor goes to defrost [...] excessively dirty throttle body, changed iac motor, ...

9 Replies Received (View Replies)

  Related Documents & Media  1997 Cadillac DeVille

 
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car Vehicle Data

1997 Cadillac DeVille

VIN [No VIN Available]
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1997 Cadillac DeVille

VIN [No VIN Available]
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIntermittently