Rooting Out a Stall

This is a great example of just how tricky it can be to resolve an intermittent electrical system issue. Robert from New York submitted this great case study, which illustrates many of the concepts we have seen emphasized by the experts since we started this blog: having a clear diagnostic…

Honda Crank Profile Relearn Tips

Another one to file under, “Is it Hardware/Is it Software/Is it a Network Problem?” In this very helpful post from Bob in Massachusetts, he walks through his diagnostic process on a 2009 Accord that had a previous unsuccessful repair attempt. Based on an initial review of vehicle data, he thought…

Another Misfire Mystery Solved

More fun with misfires! Last month, it was an early-OBDII Honda misfire. This month, it’s a domestic. Tim from Texas provides a very useful, quick tip for anyone trying to diagnose a GM LS engine misfire and seeing a strange misfire pattern. In his diagnostic routine, we swapped the coils…