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1991 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on
this truck came in running rough and had a mil light on. i discovered that the map had been unplugged (electrically) and went to reconnect it. when reconnected the truck shuts off. further inspection revealed a severely worn cap and rotor as well as a broken i...
FIX posted 5/11/2007
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Message Closed w/FIX
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18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 2GCEC19K3M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / tbi |
| Emissions | obd1, twc |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, MIL Lamp On |
| Occurs | Intermittently, Really Randomly, but Usually |
| Misc. | 2-Door Extend Cap Pickup |
Trouble Codes
| 12 | ecm check normal code |
| 34 | Low or no map output while engine is running |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet C1500 Cheyenne
| VIN | 2GCEC19K3M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / tbi |
| Emissions | obd1, twc |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, MIL Lamp On |
| Occurs | Intermittently, Really Randomly, but Usually |
| Misc. | 2-Door Extend Cap Pickup |
Trouble Codes
| 12 | ecm check normal code |
| 34 | Low or no map output while engine is running |
Video