Quote Originally Posted by Bio248 View Post
he has a scan gauge. we can tell what his car is doing without him doing much work. if we made it that far i would see that as a viable step, but we haven't gotten any concrete answers on his current situation. one step at a time, big guy.
Racers have been reading their spark plugs to troubleshoot problems for decades.

But your right, he can use the scanner also to diagnose

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