WHATS WRONG

1996 GMC Truck

Tiny

shallon

February, 12, 2011 AT 12:31 AM

Service engine light came on oil pressure goes up when throttle goes up and then goes back to normal when let off

FOUND 17085 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

February, 12, 2011 AT 12:40 AM

Check the oil pressure with a mechanical gauge, if normal replace the oil pressure switch. If abnormal could mean oil pump and engine bearing.

Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis, finding out what's going on

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