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1998 Cadillac DeVille 4.6L Poor Idle Quality, MIL Lamp on, Excessive High Idle
Hello I hav e atough one here. I have searched the IATN Knowledge Base and did not find anything related. Car came to me on a trailer. Upon start up idle races and surges(guessing about 3500 to 5000 RPM. When you put it into drive it races at a higher, but, st...
FIX posted 2/5/2007
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Message Closed w/FIX
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15 Replies Received
15 Replies Received
Related Documents & Media | VIN | 1G6KD54Y5W |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp on, Excessive High Idle |
| Occurs | Always, Cold, Idle, Start Up |
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance |
| P0121 | Throttle Position Sensor Range/Performance |
| P1571 | Traction Control Torque Request Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1998 Cadillac DeVille
| VIN | 1G6KD54Y5W |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp on, Excessive High Idle |
| Occurs | Always, Cold, Idle, Start Up |
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance |
| P0121 | Throttle Position Sensor Range/Performance |
| P1571 | Traction Control Torque Request Circuit Malfunction |
Video