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1992 Chevrolet K2500 Cheyenne 5.7L Back Fire
Hello all, Customer just bought this truck. Brought it in for lack of power. Had no check engine light. R&Ied instrument cluster and installed missing bulb for check engine light. checked codes and data- code 42 & 43. Plugged in est bypass wire, that's when th...
FIX posted 7/9/1998
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| VIN | 2GCFK29K9N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / TBI |
| Symptoms | Back Fire |
| Occurs | Always, When E.s.t. Is Connected |
Trouble Codes
| 42 | e.s.t. circuit |
| 43 | e.s.c. problem |
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Vehicle Data
1992 Chevrolet K2500 Cheyenne
| VIN | 2GCFK29K9N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / TBI |
| Symptoms | Back Fire |
| Occurs | Always, When E.s.t. Is Connected |
Trouble Codes
| 42 | e.s.t. circuit |
| 43 | e.s.c. problem |
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