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Engine light
DPFE controls EGR valve. 2 black hoses on it. Heard it can do this.- liljerryjr
- Post #8
- Forum: 1st Gen Ford Expedition Engine & Performance
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Engine light
181000 miles on it.- liljerryjr
- Post #5
- Forum: 1st Gen Ford Expedition Engine & Performance
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Engine light
Po 171 po 174 2001 expedition runs good starts good. Idle good. But has lean codes. 5.4 egr good.pcv good. Somebody told me maybe fuel pump gasket leak? New gas cap.- liljerryjr
- Post #4
- Forum: 1st Gen Ford Expedition Engine & Performance
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Engine light
Engine light bank 1 bank 2 lean. Truck runs good. Replaced ox sensers an map senser . light still on .replace gas cap.light still on. Replaced hoses. What next? Light on for a year now.- liljerryjr
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- Replies: 10
- Forum: 1st Gen Ford Expedition Engine & Performance
