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2001 Chevrolet Express 3500 8.1L MIL Lamp on
this is a church bus,that came in for a service engine light on and lost of [...] set 2 codes,p1120 and [...] I have seen this b4,in the past I found the throttle body and the wire harness to be the problem and it would fix the [...] on this one we replaced th...
FIX posted 7/22/2015
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Message Closed
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1GBJG31G51 |
| Engine | 8.1 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Lost Power |
Trouble Codes
| P1120 | TP Sensor 1 Circuit Malfunction |
| P1638 | TCM Internal - CAN 1 RAM Performance |
Message Closed
Vehicle Data
2001 Chevrolet Express 3500
| VIN | 1GBJG31G51 |
| Engine | 8.1 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Lost Power |
Trouble Codes
| P1120 | TP Sensor 1 Circuit Malfunction |
| P1638 | TCM Internal - CAN 1 RAM Performance |
Video