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I have a 01 that I pulled code 121 from tonight, for Throttle Position Sensor 1 Performance. Is that just a sensor going bad, or the start of something else? The reason I ask is, a couple of months ago I had alot of problems with my injector pump, and was just trying to figure out if it's headed that way again. Thanks.
 

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I got the same thing do u ever get a dead pedal. Mine does I'm hoping its just the apps.
 

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Diesel Filled Veins!
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If you need a new APPS get a Timbo APPS ($160 and is better designed and built than the OEM one). I run one and have zero issues and Timbo is available for phone consultation if needed.
 

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will an APPS off of a 2000 with auto work on a 2001 with a 6 speed?
 
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