1996 GMC Truck Repair Question
Topics covered: Engine, Oil pressure, Gem.
Mileage: 16,300 miles.
Mileage: 16,300 miles.
Asked on February 12, 2011
Whats wrong
Service engine light came on oil pressure goes up when throttle goes up and then goes back to normal when let off
Answer
Replied on February 12, 2011
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