tps voltage wayyyy to low wtf? | Ford Explorer Forums - Serious Explorations

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tps voltage wayyyy to low wtf?

bad.shimmy

Active Member
Joined
November 28, 2007
Messages
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City, State
auburn wa
Year, Model & Trim Level
91 eddie bauer
i went out and was checking the voltage on the tps and vref was where it should be around 5 volts. but the signal voltage which is supposed to be almost a volt was reading .08 and ramped up to .68 when i turned the throttle to wot.

i did a voltage drop and it was under .5 volts

bad sensor right?

btw this was done with the key in the on position.
 






Looks like it. Not sure on the Explorers, but on the F150's,
you want to see a minimum WOT value of 3.2 vdc and not higher than actual voltage reference (VREF) generated by the ECM. I assume the Explorers are the same...worth a change.
 






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