An engine misfire with no diagnostic codes can be frustrating to track down. In this video, we investigate a mysterious misfire and discover the surprising condition of the spark plug that finally ...

A new service update from GM includes a very small number of the 2024 GMC Sierra 1500 pickup and the 2024 GMC Yukon SUV that may be affected by a defect in the naturally aspirated 5.3L V8 L84 gasoline ...

Just like spark plugs, ignition coils can wear down and become faulty over time. There are many common signs that an ignition coil is getting bad, but one obvious sign is an engine misfire, typically ...

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 ...

Ignoring a check engine light might feel harmless if the car still runs smoothly, but the warning signals more than a minor inconvenience. Driving with that light on can lead to higher repair costs, ...