The Check Engine Light can illuminate with codes due to the lack of EGR (exhaust gas recirculation) flow caused. This is commonly a result of a clogged passage in the intake manifold. To correct this problem, the EGR valve has to be removed and the passage cleaned thoroughly. Partial restriction of this passage can cause smog test failures for the NOx emissions without causing a drivability symptom.
Check Engine Light Due to Plugged EGR Passage on Ford Contour
Average mileage: (–)
Exhaust & Emissions affected: 2.5L V6
1 model year affected: 1998
1 person reported this problem
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