7/4/2023 0 Comments Ford engine codes p0401![]() When even one of these components fail, it could trigger your P0401 OBDII trouble code. ![]() The Ford EGR system is comprised of several smaller components. This truck is equipped with the 4.2 liter V6, and the EGR valve is mounted to the side of the intake manifold. When you have a problem with your EGR valve or the EGR system, your Ford truck will turn on your Malfunction Indicator Lamp (MIL) otherwise known as the check engine light. Today we’ll be showing you how to test the electrical wiring harness and the function of your 2007 Ford F-150 EGR. Designed to reduce combustion chamber temperatures as well as curbing oxides in your airflow, the EGR is a vital part of your fuel emissions. The Exhaust Gas Recirculation Valve inside of your Ford F-150 is responsible for scavenging exhaust gases from the intake and route them to reduce emissions.
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