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I have a '02 Ranger 4.0 with a code P0402(EGR problem).
It showed up last month and I changed the EGR valve.
Problem came back a few days later. It took me while to
find the number for the sensor. Last week I replaced the
sensor. Now, a week later the problem is back.
What am I missing here, what other part can cause this code?
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.