This error code could indicate the need for a costly replacement catalytic converter.

GM’s headache of an L87 V8 is back on the operating table, and a new teardown has dug up more clues – and maybe even a fix.

Among the many pesky issues that can confound do-it-yourself mechanics, one of the most simple yet elusive that impacts overall drivability is the common vacuum leak. This is especially true if you're ...

Most people are familiar with the importance of oil for the internal combustion engines that power our modern vehicles. The petroleum-based fluid is designed to provide lubrication to the vast amount ...

Discover which used Honda engine can be cheaper to replace than a wet-belt repair, and why it appeals to the cost-conscious.

Boeing will take up to a year to repair an engine issue on all its beleaguered 737 Max jets, which will delay the certification of its 737 Max 7s and Max 10s. Boeing has acquired a team of experts to ...