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P0380 Diagnostic Trouble Code Discussion for September 2014

Glow Plug Feedback Circuit

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Trouble Ticket Help Requests for DTC P0380
Help Request Posted
2003 GMC C4500 Topkick C4C042 6.6L No Start, Stall VIN: 1GDE4E1103
P0380: glow plug. ok first off I have no business working on this truck besides that it is my fathers purchase for his plowing business. here It goes truck bought out of state and delivered to my shop off truck. first test drive revealed a pretty noticeable skip in the motor a...
September 23, 2014
2004 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK231X4
Requesting help from the Duramax experts. I would like to know if there is a easy way of checking the EGR Cooler for being plugged. Not sure if pulling a vacuum on the EGR Valve while opening the EGR Valve Throttle Plate and looking for engine stumble will wo...
September 29, 2014