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Old 02-25-2012, 09:24 PM
stk90f150 stk90f150 is offline
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TPS test parameters

I have a 1990 F150, 5.8L w/auto. I would like check the TPS voltages to see that they are as they should be but I do not know what the readings are supposed to be. And, also which colored wire to poke to test them. The idle rolls and truck shifts at 3900-4000, full trottle. Don't believe trottle is opening all the way, Thank You !
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