4

1990 Ford F-150

Tiny

Anonymous

November, 16, 2012 AT 2:19 AM

4.9L 6 cyl. EFI.
What is the voltage range on the throttle positioning sensor?

FOUND 402 RELATED QUESTIONS

1 Answer

Tiny

caradiodoc

November, 16, 2012 AT 5:05 AM

They're fed with 5.0 volts on one wire. There should be 0.2 volts on the ground wire, and there's mechanical stops in it to make the signal voltage on the middle wire go from approximately 0.5 to 4.5 volts. When something causes the signal voltage to go outside that acceptable range, that's what sets a diagnostic fault code.

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