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1992 Chev/GMC Truck Van 5.0L MIL Lamp on
hi, check eng lite comes on 4 sec after starting,showing code 42 only.. monitoring bypass circuit shows .1v on cranking, than 5 volts when running, but it only has 5 volts for about 1 second, than it goes low and the lite comes on. if you re start it, ...
FIX posted 1/26/1999
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Message Closed w/FIX
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| VIN | 2CTEG25H9N |
| Engine | 5.0 L / 8 cyl |
| Emissions | fed |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 42 | est bypass |
Message Closed w/FIX
Vehicle Data
1992 Chev/GMC Truck Van
| VIN | 2CTEG25H9N |
| Engine | 5.0 L / 8 cyl |
| Emissions | fed |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 42 | est bypass |