icemancold
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icemancold
I have a 1997 Ford F150 Super Cab 4X4 With 4.6L V8 Engine runs fine when started cold,after driving approx 1 mile develops miss on #8 Cylinder. I have changed spark plugs,no help,changed ign coil no help,changed plug wire no help,swapped #8 injector with #6 injector still has miss on #8 Cyl.I have a small obd II scanner. Shows Rich-Lean Threshold Voltage Low for Switch. STS Fail. Can any one Tell me What is going on and how to correct the missfire?
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