Check to see if these wires have 12 volts at the mass air flow sensor using a multimeter. This voltage will only be applied for approximately 5 to 30 seconds after the engine has been shut off ...

A mass air flow sensor is one of the numerous tiny widgets and gewgaws that make up a modern automobile's electronic fuel injection system. In the MAF's case, it tells the car's computer how much ...

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

And if your car's check-engine light is giving you the side-eye, it helps to know about other sensors, too, like the Mass Air Flow sensor and when it goes bad.

When the air mass sensor on my car is plugged in, it drives terribly, goes into limp mode before 3000rpm. When the sensor is unplugged it drives okay. What can I do? Why will my Citroen Xsara not rev ...

Additionally, the ECU can also recognize a faulty MAF signal when the car is being driven and will alert the driver to any Chevy Cruze Mass Air Flow sensor problems which may occur while on the move.