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2002 GMC Sierra 2500 SL 6.0L Hesitation, Misfire, MIL Lamp on
when it acts up ,running rough ,misfiring, there is about 9 volts @ the 5volt reference wire from pcm to [...] (this is a throttle cable truck not fly by wire).When tps is disconnected it straigtens out and doesnt act up.I've traced the wire back to pcm,and ch...
FIX posted 3/2/2013
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Related Documents & Media | VIN | 1GTGK29U22 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | Not OBD-II Compliant |
| Symptoms | Hesitation, Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0122 | Throttle Position Sensor Circuit Low Voltage |
| P0332 | Knock Sensor Rear Circuit Low Voltage |
| P1122 | TP Sensor Signal Higher Than Expected |
| P1639 | TCM Internal - CAN 2 RAM Performance |
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Vehicle Data
2002 GMC Sierra 2500 SL
| VIN | 1GTGK29U22 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | Not OBD-II Compliant |
| Symptoms | Hesitation, Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0122 | Throttle Position Sensor Circuit Low Voltage |
| P0332 | Knock Sensor Rear Circuit Low Voltage |
| P1122 | TP Sensor Signal Higher Than Expected |
| P1639 | TCM Internal - CAN 2 RAM Performance |
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