If you're facing a check engine light with codes related to the mass air flow (MAF) sensor or vacuum leaks, this DIY guide will help you troubleshoot and fix the problem without the need for expensive ...

A device in the throttle body, the mass airflow, or MAF, sensor helps the engine computer determine the proper air-fuel mixture by measuring the mass of the air flowing past it. Because a precise ...

Since the inception of GMHTP's LS1 project car, we've cut a full second off its ET (13.36 to 12.36), added 6 mph (103 to 109) to the trap speed, and added 55 horses and 48-foot pounds to the wheels.