EGR Orifice in Intake Manifold May Plug With Sludge and Cause Misfire on Ford F-150 Heritage
Problem overview
On higher mileage vehicles, one or more EGR orifice in the intake manifold may plug with sludge. This can cause the engine to misfire when first accelerating because too much exhaust gas is directed into the cylinders where the orifice is not plugged. Cleaning the clogged passages should correct this concern.
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Ford F-150 Heritage vehicles with this problem
1 model year affected
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