
1999 Cadillac DeVille 4.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
Any Cadillac guru! I need your help....... 99 Cadillac
Deville 4.6 liter. Will not pass emissions due to miss
fire.
FIX posted 1/27/2009
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Message Closed
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VIN | 1GEEH90YXX |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / multi- port |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always, Cold, Hot, Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed
Vehicle Data
1999 Cadillac DeVille
VIN | 1GEEH90YXX |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / multi- port |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always, Cold, Hot, Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |