Follow this step-by-step guide to MAF sensor replacement to get your Silverado purring again: Open the hood after turning off the engine and removing the ignition key from its switch.

That's a basic breakdown of what your car's MAP sensor does. However, if you're interested in learning more about how the sensor works, signs that it's gone bad, and how much it costs to replace ...

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.

There are two ways to deal with a bad MAF sensor: clean it or replace it. Both of these jobs are pretty easy, but they require some mechanical know-how and a handful of basic tools.

Replace mass air flow sensor: $303.61 An issue with the mass air flow sensor can lead to stalling and hesitation during acceleration, as well as up to a 25% drop in fuel economy.

Will an Meziere electric water pump and an SLP 85mm MAF sensor, two simple mods free up more LS1 power? Only at www.gmhightechperformance.com, the official site for GM High-Tech Performance Magazine.

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

One dirty sensor could be hurting your car’s performance — learn which one it is, the symptoms to watch for, and how to clean it easily.

GM notes that the throttle body and mass airflow sensor associated with the DTCs listed above do not need replacement unless they are damaged, or found to be the root cause of the DTC in question.

Your vehicle's MAP sensor plays a crucial role in keeping it performing at its best. Here's how it works and the warning signs that it might be failing.