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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 3, 2026
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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2020 Ram 1500 Big Horn 3.6L Misfire VIN: 1C6RRFFG1L
misfire on cylinder 1 & 3 under high rpm (4800-5000 ) very repeatable cylinder 1 is the worst but also shows on 3 , compression test shows 170 psi ( fuel trim on bank 1 shows 15.8 bank 2 shows 4.6 )eliminated injectors by swapping banks, known good coils,n... Trouble codes: P0300
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