A 2026 Ram owner installed a K&N cold-air intake, hoping for big power gains. Instead? An immediate engine error light and a ...

Code readers are diagnostic tools that every car owner should consider owning. Having one of these is as important as carrying a spare tire or a fire extinguisher in the trunk. Back in the day, before ...

The weather is perfect, the sea calm—everything looks great for your trip. But just as you’re about to start your personal watercraft (PWC), an unfamiliar warning light flashes on the dashboard. For ...

CUMMINS Inc confirmed its commitment to customers in the heavy-duty truck market with the announcements of fuel-efficiency improvements, a new engine rating, and Connected Diagnostics. Cummins entire ...

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 ...