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2004 GMC Envoy SLT 4.2L Hesitation
This vehicle was brought in and when stepping on gas reduced power light comes on and vehicle seems to be in almost a limp mode. Can not get over 30 miles per hour. It has very little power. I have been checking posts and was wondering if it needs updated prog...
FIX posted 8/5/2014
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | 1GKET12S84 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation |
| Occurs | Always, Under Load |
Trouble Codes
| P0122 | Throttle Position Sensor Circuit Low Voltage |
| P0641 | PCM Sensor Reference Voltage 'A' Circuit Malfunction |
| P0651 | PCM Sensor Reference Voltage 'B' Circuit Malfunction |
| P2135 | Throttle Position Sensor 1/2 Incorrect Voltage Correlation |
| P2138 | Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation |
Message Closed w/FIX
Vehicle Data
2004 GMC Envoy SLT
| VIN | 1GKET12S84 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation |
| Occurs | Always, Under Load |
Trouble Codes
| P0122 | Throttle Position Sensor Circuit Low Voltage |
| P0641 | PCM Sensor Reference Voltage 'A' Circuit Malfunction |
| P0651 | PCM Sensor Reference Voltage 'B' Circuit Malfunction |
| P2135 | Throttle Position Sensor 1/2 Incorrect Voltage Correlation |
| P2138 | Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation |
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