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1998 Buick LeSabre Custom 3.8L Poor Idle Quality, MIL Lamp on
This car is always idle high about 1200 rpm in park and 875rpm in gear. Coolent temp and tps ranges are operating normal. It has code po507B. It also pass the smoke machine leak test when testing through the brake booster line. When removing the IAC valve, the...
FIX posted 5/5/2007
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Related Documents & Media | VIN | 1G4HP52K7W |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0507 | Idle Speed Control System Higher Than Expected |
Message Closed
Vehicle Data
1998 Buick LeSabre Custom
| VIN | 1G4HP52K7W |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0507 | Idle Speed Control System Higher Than Expected |
Video