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Prev Professional Automotive Repair Technical Discussions for September 3, 2025
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2003 Chevrolet Suburban 1500 LS 5.3L misfire VIN: 3GNFK16Z83
Installed a reman engine and at idle has a misfire on cylinders 1-4-5-8, installed new plugs, injectors, crank sensor, cleaned maf, all new gaskets, misfires at idle to about 1200 rpm then goes away, swapped coils and wires no change, fuel trims read -9 on...
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