larrymz3 Report post Posted September 13, 2016 Has anyone reset a CEL while the car is running? I have a Fabspeed exhaust and get P047F, P1317/P1318 - all related to my the Fabspeed not having valves... I've been trying to get something from Fabspeed for months to fix this... and crickets. Although I just discovered today that the guy I had been talking to left suddenly... so... Anyways, it's annoying to have to stop the car, turn it off, reset the CEL, then start the car again. Can it be done while the car is running (driving) without hurting anything? Quote Share this post Link to post Share on other sites More sharing options...
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