Harder to diagnose are misfire codes. OBD II can detect misfires in individual cylinders as well as random misfires. If it generates a misfire code for a single cylinder (say P0301 for the #1 cylinder), it only tells you the cylinder is misfiring, not why the cylinder is misfiring. The...
The last two digits are the specific problem that the code refers to. Check a code chart online for details on each specific code. 3 Read an example code. P0301 indicates a misfire condition on cylinder #1. The P indicates it's a powertrain code, the 0 indicates that it is a generic...