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830 Posts
Discussion Starter · #1 · (Edited)
Question: What is the normal range on the TPS? My Haynes manual
tells me it should be around 0.5v closed throttle rising smoothly as the
throttle is opened to 4.5 volts at full throttle.

My original tps went from 0.66v (closed) smoothly to 3.77 v (fully open).
the aftermarket replacement brought on a check engine light (P-123)
"tps sensor voltage out of range" and went from 2.5v (closed) to 4.75v (fully open).

Sending it back for exchange. Put the original one back in..truck runs but delayed
shift 2-3 around 3500 rpm, then it finally shifts. OD is ok.
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