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Discussion Starter #1
I have a 2015 ram 1500 5.7 and the check engine light is flashing many times then stays on the codes were for random missfire.
The truck starts but is misfiring bad and has no power below 3000 rpm if you let in idle for a few seconds is wants to stall. There is a knocking sound coming from the motor and it smells like unburnt gas and sometimes black smoke from tailpipe but not much. I've replaced the throttle body coils and sparks not sure whats next any help would be great thank you
 
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