We may receive a commission on purchases made from links. Some people have described the Ford 5.4L Triton engine as "one of the worst V8's ever produced." And while it didn't make it onto our list of ...

An engine depends on perfect timing the same way a symphony depends on a conductor. Every valve opens at the exact moment it should, every piston moves in perfect rhythm, and everything stays ...

General Motors' Duramax diesel engine lineup has been powering GM trucks and SUVs and enthralling gearheads since its original release in 2001. While the most famous member of the Duramax roster is ...

Within the Pontiac community, there are many who are very good at physically working on their cars. Changing parts, swinging motors, and the like comes very naturally to them. But when chasing a ...

Thinking about buying a used Nissan? Make sure it does not have one of these three unreliable motors under the hood before ...

Most engines don't die in a dramatic cloud of smoke on the side of the […] ...

According to the 2025 J.D. Power Vehicle Dependability Study (VDS), Subaru is ranked as the 17th most reliable brand out there. This represents a somewhat worse result compared to 2024's VDS in which ...

In June 2014, we published the account of how we became aware of a defect with FCA's (now Stellantis) 5.7-liter Hemi engine. Specifically, it concerned 5.7L Hemis installed in Dodge Chargers and ...

You recently wrote about a guy whose timing belt broke and who tried to restart his car but whose valves survived only through sheer good luck. In 1957, I had a new Ford six-cylinder, standard shift.

The Chevy Silverado and GMC Sierra are hugely popular pickup trucks, but now, both nameplates have been singled out as having major engine issues and reliability problems. Consumer Reports listed ...