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1991 Chevrolet K1500 Cheyenne 5.7L MIL Lamp on
replaced cap and rotor first. code 42 showed up a few days later. replaced the module and code went away for about a week and came back. I think i need to replace the computer but would like another opinion on that first, computer number is 1227747 and if ...
FIX posted 3/15/1999
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Message Closed w/FIX
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Related Documents & Media | VIN | 2GCEK19K3M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 42 | electronic spark timing |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet K1500 Cheyenne
| VIN | 2GCEK19K3M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 42 | electronic spark timing |
Video