Having problems with your Cars & Trucks ?
Missing 4 cylinders r missing 2 on left bank 2on right bank cked compression cked valves changed distributor plugs wires caqp rotor module cked 4 vac leak cked connections still missing anyideas im wondering if bcm controls firing cycle for engine
Firing order is a result of engine design, not how a PCM (not BCM) is programmed
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