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Code 0121 Question??????????

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Old Dec 15, 2008 | 11:31 AM
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Code 0121 Question??????????

I just purchased an 02 6spd this past weekened and on the way home I had a little trouble and it gave me the 0121 Code? Does anyone have an idea of what that may be? Thanks soo much for the help!
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Old Dec 15, 2008 | 01:56 PM
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APPS. Mine did it last Friday. Punch the accelerator a dozen times to the floor real hard. Cleared mine up to drive back home from work (2 hours).
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Old Dec 15, 2008 | 01:57 PM
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btw - with the engine OFF
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Old Dec 15, 2008 | 02:34 PM
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btw - with the engine OFF
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Old Dec 15, 2008 | 02:45 PM
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Thanks BTW! Did it still give the code after you did that? Also not to be stupid but what is the APPS and where is it?
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Old Dec 15, 2008 | 02:50 PM
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Accelerator Pedal Position Sensor. I had no idea what this was until i checked here for help. It's located on top of the vp44/injector pump. In short, I understand it to be the electronic equivalent of the throttle cable. If you need a replacement search for user "Timbo01" here on this site. He has a replacement fro $160, as opposed to $400+. Check out APPS threads for help here too.
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Old Dec 15, 2008 | 04:24 PM
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Thanks soo much! Also how do I clear this code?
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Old Dec 15, 2008 | 10:25 PM
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Go to auto zone or whomever and borrow their 9135 reader and clear the code. Most of those guys have the 9175 and it won't work on a 02.

Don
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