Three failed 5th-gen Cummins engines were torn down, and the same core problem kept surfacing – just in different forms.

A factory piston-ring flaw ate through the oil for years, but this engine outlasted it anyway. A 2009 Toyota Camry ran 305,000 miles despite a major factory engine defect. The engine burned oil ...

HOT ROD readers are well acquainted with all the cool stuff involved with working on high-performance machines, but that also means that you must face having to clean nasty, greasy parts. That’s ...

Stop your Silverado's rapid oil loss with this practical guide. Fleet data show that disabling DFM cylinder cutoffs and ...

My wife has a 2018 Toyota Sienna with 133,000 miles on it. For a few years now, we’ve noticed a gasoline smell in the cabin.