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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 1, 2020
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2005 GMC Sierra 1500 SLE 5.3L Cranks, not starting VIN: 1GTEK19B45
This one will intermittently give a long crank without starting. It will start normally every time you try the second crank with the key switch. Road test seems to have normal power and acceleration. Engine runs well, quiet and smooth. When we got it th...
2008 GMC Savana 3500 6.0L MIL Lamp on, Oil psi gauge inop VIN: 1GTHG35K58
I have a van with P0523 code (constant). The oil psi gauge is inoperable. Ground wire at sensor ohms out good, 5 volt reference at sensor is constant.Replaced oil psi sensor = no change. Jumper 5v reference to signal wire pegs oil psi gauge. I believe the ... Trouble codes: P0523 (Oil psi sensor/switch voltage high)

Fixes & Summaries for GM
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