The challenge is pinpointing the cause and correcting it. ![]() ![]() The underlying cause is still ignition, fuel or compression related. Fortunately, the supernatural has nothing to do with the problem. These are the ghosts that can drive you crazy. The hard-to-diagnose misfires are the ones that come and go or do not set any codes. The cause of the misfire can only be one of three things: Ignition, fuel or compression. You have a code, you know which cylinder is misbehaving, and you can hear and feel the misfire. Misfire diagnosis in this kind of situation should be fairly easy. There are no other codes and the engine has a steady miss. ![]() It is a code P0304, which tells you cylinder number four is misfiring. Your Malfunction Indicator Lamp (MIL) is on, and there is a misfire code. Auto Repair Library, Auto Parts, Accessories, Tools, Manuals & Books, Car BLOG, Links, IndexĪnalyzing Ignition Misfires Copyright AA1Car
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