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TPS problem possibly???

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Old 05-24-2004, 07:04 PM
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Default TPS problem possibly???

Been having a problem recently where the trans is shifting very irradically, the SES light is also on, pulled the code and it was the P0121 code....

i'm thinking i need to replace the TPS, what do ya'll think???

Mods are in my sig, only had basic tuning done after the cam install, no dyno tune yet, waiting for the torque converter install for that one....


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Old 05-24-2004, 10:49 PM
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do you have a ported throttle body? that is what caused my TPS to throw a code.
Old 05-24-2004, 11:18 PM
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nope its the stock throttle body......
Old 06-01-2004, 07:05 PM
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Originally Posted by abate1224
do you have a ported throttle body? that is what caused my TPS to throw a code.
Sorry to hijack but im throwing the same code and I cant get rid of it I even got a new sensor I also have a ported TB. My asr is tweaking out to. I have the tsp 231/237 cam and tuning.




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