Fuel smell under the hood or a stubborn check-engine light often points to a bad fuel-pressure sensor, but nothing stalls a driveway repair faster than not knowing where that tiny part hides. In most ...

One such part is the manifold absolute pressure or MAP sensor. ... amounts of fuel to the engine. The MAP sensor monitors the air that ... $100 and $350 for your MAP sensor replacement.

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.