When I attended technical school studying automotive service technology many years ago, among the first things my instructor taught us was the basic principles of how an engine works. These principles ...
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 ...
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 ...
A faulty PCV valve can cause many problems, including engine misfires, oil dilution, hard starts, a rough idle, and oil leaks ...
There are several instances where knowing the location of cylinder number 1 matters, especially for DIY enthusiasts. It's not just trivia, but crucial when diagnosing engine misfires, replacing spark ...
The GMC Terrain is the brand’s most affordable model in the United States, and was recently the recipient of a major overhaul as the current generation debuted for the 2025 model year. That being said ...
Dynamic skip fire (DSF) has shown significant fuel economy improvements via reduction of pumping losses that generally affect throttled spark-ignition engines. For production readiness, DSF engines ...
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