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 air ...

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 ...

Modern cars rely on a dense web of sensors to manage everything from fuel delivery to collision avoidance, and when one fails, the result can range from a minor annoyance to a four-figure repair. I ...

When the Tuned Port fuel-injection system arrived in 1985, it was asignificant improvement on the throttle-body systems that came before.Much cooler looking and with more power potential, the Tuned ...

Last month we fielded a question about a fault code a reader had been trying to repair for more than a year. To recap, the Corvette in question, a ’96 model, had a recurring P0171 code, or “System Too ...

I have a 2001 Nissan Micra K11 1.0. I've been experiencing really poor engine performance recently. It would start easy enough and idle OK, either cold or hot, but would not rev when I pressed the ...

The check engine light can be a bane or boon when it comes to owning a car, especially considering hundreds of things could trigger it. Does that mean the second the check engine light comes on you ...