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2003 Chevrolet Impala LS 3.8L High Idle At Times
Thanks For Any Help. This Car At Times Will All At Once Raise RPM'S To 3000. We Removed Throttle Body And Cleaned Carbon On Plates And Passages, Replaced TPS With Delco Part, Cleaned IAC. I Drove The Car Over 40 Miles With No Problem. Gave It To Owner And Next...
FIX posted 6/24/2016
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Port Injected |
| Emissions | OBD-II Compliant |
| Symptoms | High Idle at Times |
| Occurs | Intermittently |
| Misc. | Rpm's Rise to 3000 at Times |
Trouble Codes
| P0121 | Throttle Position Sensor Range/Performance |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Impala LS
| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Port Injected |
| Emissions | OBD-II Compliant |
| Symptoms | High Idle at Times |
| Occurs | Intermittently |
| Misc. | Rpm's Rise to 3000 at Times |
Trouble Codes
| P0121 | Throttle Position Sensor Range/Performance |
Video