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Old 11-21-2012, 11:05 AM   #1
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Throttle body sensor??

So my check engine light is coming on intermittenly I havent noticed any change in how the jeep handles or anything with the engine. I got to an advance auto when the light was on and ran their scan tool and go this code PO122 the guy inside said that was throttle body sensor and it might not be bad just loose but I would have to take it to a mechanic cause theres a special tool to fix it. Is that true or can I fix or replace it by myself in the backyard?

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Old 11-21-2012, 11:09 AM   #2
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Well, it might just a simple as buying a can of throttle body spray and unbolt the throttle body and its sensors and give them a good douching. Mine was really dirty when I cleaned mine.

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Old 11-21-2012, 11:10 AM   #3
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Quote:
Originally Posted by mattjm1017 View Post
...the guy inside said that was throttle body sensor and it might not be bad just loose but I would have to take it to a mechanic cause theres a special tool to fix it.
Unless a Torx driver qualifies as a "special tool," that is total poppycock.


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...can I fix or replace it by myself in the backyard?
Can you disconnect an electrical connector and remove two screws?

You might look for causes of low voltage first, however. Wiring proplem, poor connection, etc.
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Old 11-21-2012, 12:26 PM   #4
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I'm very shady when it comes to shade tree mechanics. But, in about 30 minutes I had mine off, cleaned, and reinstalled all with very basic tools (ratchet, screwdriver, ...) I have a 2002 with 4.0 and it was no big deal.
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Old 11-21-2012, 12:34 PM   #5
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Ya a buddy and myself did it the one day it took 20 minutes. Took everything off sprayed with carb cleaner and ran engine good. Put new tps sensor on and she was good as new. Only tools needed where a screwdriver and torx tools. Easy
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