If your 2009 Ford Fusion is flashing a P0400 code, it means your Exhaust Gas Recirculation (EGR) system isn’t flowing as it should. This can lead to rough idling, reduced fuel efficiency, and higher ...

American Sensor Technologies, Inc. now offers the AST5400 wet / wet differential pressure sensor to measure line pressures up to 2,000 PSI with a turndown ratio of 15 to 1. Using Krystal Bond ...