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Old 09-30-2007, 04:14 PM   #3
RBV Technical Advisor
Join Date: Aug 2007
Location: California central coast
Posts: 4,638
Vehicle Year: 1991
Vehicle Make: Ford
Vehicle Model: Explorer
Rep Power: 33
MAKG will become famous soon enough

That TPS fault indicates the TPS, at least, is not grounded. Grab a voltmeter and a circuit diagram and see where ground got lost. There will be a voltage drop there -- with no ground, all three TPS leads will be at 5V.

That may not be all of the grounding problems, but it MAY lead you to something important. So, I'd trace that down first, fix it, and then reevaluate.

1990 VW Jetta GL, 1.8L 8V gasoline engine, manual transmission, painted in oxidized red paint and ponderosa pine sap, unknown mileage.

1991 Exploder, 4.0L, M5OD-R1 manual transmission, electronic BW1354 transfer case, 3.54 gears, 31 inch tires, icky two-tone blue paint with little clear coat, 230K miles.

1972 Chevy C-10, 250 I-6, SM465 (2WD) four-on-the-floor, 3.73 gears in a GM 12-bolt, puke green with a white cab. The "4 wheeled trash can," with x70K miles. x is probably 2.
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