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Recent content by doug floyd
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D
codes PO401.402. AND PO303
it's weird. Thought it might be the fuel pump pressure but not sure what the pressure is supposed to be, Do you by chance?- doug floyd
- Post #4
- Forum: 1st Gen Ford Expedition Engine & Performance
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D
codes PO401.402. AND PO303
YEP both- doug floyd
- Post #3
- Forum: 1st Gen Ford Expedition Engine & Performance
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D
codes PO401.402. AND PO303
1998 FORD EXPEDITION 4.6L XLT 4WD Had codes po401, PO 402, and po303, change all EGR AND EGR SENSORS, Changed (did need to) # 3 spark plug and wire also removed and clean throttle body and port holes. Ran great then shakes on take off then takes off like new until I slow and accelerate. then...- doug floyd
- Thread
- Replies: 3
- Forum: 1st Gen Ford Expedition Engine & Performance
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