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My first engine pull/rebuild - 1994 351w

kiwi f150

kiwi f150

kiwi f150
4,765
355
Waimate New Zealand
Wish we didn't Cliff - six monthly here if your vehicle was made before 2000
 
Fellro

Fellro

Moderator
Staff member
7,953
360
Iowa County, Iowa
You had the tranny gone through didn't you? Take it back to them and let them tell you what it is. I suspect it may be as simple as a tps sender or such. I know on the diesels when they play that game it generally gos to the sensor for determining throttle position.
 
O'Rattlecan

O'Rattlecan

Redneck Prognosticator
26,687
797
Belton, MO
My first instinct was throttle position sensor as well, judging how it's always biased to a hard shift. Yes, it's freshly rebuilt. Maybe I'll have them look it over... As much as I spent rebuilding it, it should be shifting pretty seamlessly.

Ryan
 
Fellro

Fellro

Moderator
Staff member
7,953
360
Iowa County, Iowa
If they have any kind of customer service, they will be happy to do a quick check on it.
 
O'Rattlecan

O'Rattlecan

Redneck Prognosticator
26,687
797
Belton, MO
I'll pull the codes for my own curiosity and see if it's still spitting out the TPS code.

I wonder if there are any components between the TPS and the computer, anything that could disrupt the signal and play with the voltage. The TPS is brand new and is behaving the same as the one before it.

Ryan
 
Fellro

Fellro

Moderator
Staff member
7,953
360
Iowa County, Iowa
Wiring and connection problems can also be a issue. Ground problems can give similar type issues as well.
 

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