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I have a 1999 F-150 with the 4.2L V-6. I have been having all kinds of transmission problems and a few others. The truck is shifting at weird times, popping hard out of gear when braking, and the check engine light is on. The transmission shop (just rebuilt the tranny twice)said that they think it is the TPS sensor. They showed me where it is and said it was just a bolt on part with 2 screws.
My question is:
What am I getting into by changing this? Is it easy to do and does it take any adjusting. It looks simple. Also, would a bad TPS cause these symptoms? Thank you so much for your help.
D Durrett
Houston, Texas
The TPS could cause shifting problems but I think you would also notice problems with the way the engine was running. (If you are in OD and the tranny sees your TPS at WOT, it will downshift) You really need to get the check engine code and see what it says.
As for changing the TPS, it isn't hard. Just 2 screws, pull the old one off, put the new one on, and plug it back in. The only hard part is sometimes the screws are a bit tight due to loc-tite.
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