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 ...

You're driving down the road and having a normal day behind the wheel of your car. You look down on the dashboard to check your gauges and speed, but you notice that a little orange "Check Engine" ...