ok, i was thinking that the ecu will compensate timing and such based on variables like fuel, heat, etc. so i figured since the ecu compensates and changes timing until you ground that plug, then i could ground it out and see if there was a sensor killing my timing. but the more i think about it, the more it doesnt make sense or sound like a good idea that would work. guess i will just check my timing and be on with it.

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