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Senior Member
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Join Date: Oct 2011
Location: Stationed in Camp LeJeune, home is Conover, NC
Posts: 2,691
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Senior Member
Join Date: Oct 2011
Location: Stationed in Camp LeJeune, home is Conover, NC
Posts: 2,691
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Does everyone forget about the TPS? The TPS is what is responsible for the fuel air ratio. If you have it wide open, lots of skinny pedal, it tells the computer to increase the fuel mixture, or to decrease the fuel mixture. If the TPS is bad, it could cause the injectors to dump fuel into the cylinders, though the throttle is only open a little bit, causing it to big down because there is not enough air to properly ignite the amount of fuel because there is too much.
OP, if you stay high in the RPM range, does the truck run alright? I mean in the 3-6k range.
My 5lug had these same symptoms, yet when I would start in low, keep the RPMs high, it would rub fine because if was getting the right air fuel mixture. It also started throwing a 02 code, because the mixture wasn't right, as well as a misfire code.
If you know someone that had the same year Runner you have, see if you can swap the TPS. My bet is that's your problem.
__________________
"We are experts in the application of violence."
-LtCol Christian Cabannis, Camp Letherneck, Afghanistan, 2009. The "Summer of Decision."
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