Welcome back to another edition of “The data doesn’t lie,” a regular feature in which Brandon Steckler, technical editor for Motor Age, poses a puzzling case study.
The award winner is a problem solver, and not just when he's working on vehicles. Steve Mancuso tackles equipment and training, too, and serves as a mentor to his fellow techs...
The in-cylinder compression waveform is an easy way to see engine-mechanical faults without disassembly. But what if the breathing issue isn’t an engine issue at all?
This 2006 Mazda 6 idled just fine, but the 2.3L turbo engine barely performed and exhibited poor power output under cruise and acceleration. The same DTC seemed to show up, but...