Question about 1998 Ford Expedition
Need to see if anyone knows where the EGR valve is located on the exhaust system??? Need to replace to clear light.
If you are getting an Insufficient EGR flow code, it is likely the DPFE sensor is bad or the EGR ports are plugged in the Intake. Very rarely do these trucks actually need the valve replaced. But it is located on top of the engine,under that plastic cover that covers the throttle body. It is round, about 3 inches in diameter. It has one vac line going to the top of it and a metal pipe from the exhaust manifold going to the side.
Posted on Mar 09, 2009
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