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Prev Professional Automotive Repair Technical Discussions for November 7, 2025
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2015 GMC Sierra 3500 HD 6.6L engine VIN: 1GT421C82F
We had a truck towed to the shop that shut down while driving down the road and would not re-start. Upon inspection it is build desired rail pressure and has a cam position performance code stored in the ecm. Wiring to cam and crank sensor checked out good...
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