
1998 Cadillac DeVille 4.6L Poor Idle Quality, MIL Lamp on
Welcome any response and help. I have a Deville that at random increases idle slowly and up to 1500rpm - 2000rpm. Turn eng. off and restart,idles normal at first, then increases again slowly. Customer previously replaced -IAC,TPS,EGR. Cannot find any vacum lea...
FIX posted 4/26/2007
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Message Closed w/FIX
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VIN | KD6KD54Y8W |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Intermittently |
Message Closed w/FIX
Vehicle Data
1998 Cadillac DeVille
VIN | KD6KD54Y8W |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Intermittently |