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 ...

He decided to replace this with a modern mass air flow (MAF) sensor instead, and documented the process online.

GM has issued a recall for certain units of the Chevy Low Cab Forward 3500 and 4500 models due to an issue with the mass air flow (MAF) sensor.