Most engines generate power from an internal combustion system. On the basic level, these engines work by compressing fuel and air into a tight space. Within the cylinders of an engine, pistons pump ...

Toyota is performing an unusual test to determine whether engines under recall need to be replaced, and it involves a hammer ...

Ed Smith and Barry T take a closer look at the legendary Sun 820 Electronic Engine Tester, exploring how this specialty diagnostic tool helped mechanics troubleshoot engines long before modern scan ...

Toyota's V6 recall diagnostic uses a plastic hammer and accelerometer to measure crankshaft resonant frequency. Here's how ...