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86.5 TPS voltage issue

87Fathpinder
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87Fathpinder NPORA Newbie

87Fathpinder

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I have a problem involving code 42 TPS. The input voltage is supposed to be variable from 0.5 to 4.0 volts and its supposed to change when the accelerator is depressed, but when I measure it I only measure 0.03 volts and it doesn't change. I've tried using a different ecu and the same thing is occurring. I've also checked continuity on all the wiring to the tps and everything is fine. Any ideas?

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Kingman NPORA Old-Timer

Kingman

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Kinda weird, is yours a 5-speed or automatic? There's two things built into one TPS, an idle/full throttle switch and a potentiometer for the automatics.

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87Fathpinder
NPORA Newbie

87Fathpinder

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it might be worth mentioning that while I was originally trying to adjust it I was measuring voltage fine and it started out of nowhere not reading healthy voltage, millivolts, almost none...

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