Many GM vehicle owners may wonder what happens when their vehicle passes inspection per the latest L87 GM engine recall. Now, we're laying it out right here.

We've all been there: you're driving along, minding your own business, when all of a sudden your check engine light comes on or you begin to hear a mysterious rattle that you can't quite identify. At ...

PACCAR has been granted a patent for a diagnostic method to identify misfire conditions in individual engine cylinders of turbocharged diesel engines. The method involves using pressure and crankshaft ...