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DTC Code P1131
Expedition 03 I have the same trouble with my expedition, I replaced the fuel pump and filter also the fuse box because the fuel pump relay inside wasn't working, runs better but still make like a little jump. Then I replace the spark plugs, coil boots they had rust and looks like tartar was...- monicacorzo
- Post #5
- Forum: 1st Gen Ford Expedition Engine & Performance
