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Ford F-250 Car Problems

EGR orfice in intake may plug with carbon on Ford F-250

Problem Description and Solution

The EGR orifices in the intake manifold may plug with sludge. If the truck has high mileage, this may cause engine misfire when first accelerating because too much EGR gas is directed into the cylinders of the unplugged orifices. This makes the mixture lean, which causes a gradual stumble that increases in severity until repaired.

(1 person reported this problem)

Problem Data

RepairPal Verified
Average mileage: (–)
1 model year affected: 1998

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Brake problem? Or maybe a faulty head gasket cylinder?
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