Hyundai engine backfires on start up then runs fine after, replaced plugs, mixer diaphragm, rebuilt lp converter with the correct kit. Compression test shows all cylinders good and equal. Truck has check engine light on but can't access codes. Dealer is long distance away. Can you access codes without Hooking dealer only software to system?
Can you get the codes to flash the check engine light?
Any help will be appreciated.
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