2001 Cadillac DeVille 4.6L Poor Idle Quality, Surge, Misfire

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Posted to GM Driveability on 6/30/2007 12 Replies

GOOD EVENING

This Cadillac has a definite vacuum leak in the area between the throttle body and the intake manifold. It is loud enough to hear. Originally, when we sprayed carb cleaner at the blow off valve the engine smoothed out. We removed the intake manif...

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Vehicle Data

2001 Cadillac DeVille

VIN	1G6KD54Y21
Engine	4.6 L / 8 cyl / GAS
Trans	4-speed Automatic (Electronic)
Delivery	FI
Emissions	OBD-II Compliant
Symptoms	Poor Idle Quality, Surge, Misfire
Occurs	Always

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Vehicle Data

2001 Cadillac DeVille

VIN	1G6KD54Y21
Engine	4.6 L / 8 cyl / GAS
Trans	4-speed Automatic (Electronic)
Delivery	FI
Emissions	OBD-II Compliant
Symptoms	Poor Idle Quality, Surge, Misfire
Occurs	Always

12 Replies Received (View Replies)

12 Replies Received (Hide Replies)

Related Documents & Media 2001 Cadillac DeVille

Related Documents & Media 2001 Cadillac DeVille

Vehicle Data

2001 Cadillac DeVille

Vehicle Data

2001 Cadillac DeVille