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2008 Chevrolet Impala LS 3.5L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on
I have a 08 Impala that intermittently displays reduced power mode, no tach and barely runs on cold start. The only code I have is p0651 for the 5 volt ref. signal to the APP. When this acts up I have no tach signal to pcm, throttle position is fixed at 29%, a...
FIX posted 7/1/2011
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Message Closed
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Related Documents & Media | VIN | 2G1WB58N58 |
| Engine | 3.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P0651 | PCM Sensor Reference Voltage 'B' Circuit Malfunction |
Message Closed
Vehicle Data
2008 Chevrolet Impala LS
| VIN | 2G1WB58N58 |
| Engine | 3.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P0651 | PCM Sensor Reference Voltage 'B' Circuit Malfunction |
Video