Recent content by Sonofadocker
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P0401 Codes, nothing left to replace. HELP
P0401 code my 1997 ran fine and then I popped a rust hole in the cats. 1600.00 repair. I had rough idle in drive /stopped and high speed 75mph + detonation in the intact manifold - loud pop and truck would shake. In twenty miles of driving P401 and P1131 popped up. Changed both upstream O2...- Sonofadocker
- Post #20
- Forum: 1st Gen Ford Expedition Engine & Performance
