Electronic fuel injection was a big leap forward for engine control. However, early implementations often left something to be desired. This was the case for [Rob] and his Porsche 944, which had ...

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 ...

Update: Cleaning the MAF did not resolve the check engine code. Stay tuned to "Driver's Ed" to see if cleaning the throttle body does the trick! Mass air flow, or MAF, sensors measure the amount of ...

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 ...

The direct measurement of the mass of airflow has gained some degree of utilization in the engine control community, but the sensors used to measure this parameter have continued to be scrutinized for ...