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code 21 need to slot the tps sensor need help

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Old 06-10-2008, 04:23 PM
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code 21 need to slot the tps sensor need help
Okay heres the deal. I been going threw a ton of throttle position sensors latley and recently I had another code that came up code 21. I have a 58mm Holley throttle body. I heard that you have to slot the tps to adjust the correct voltage. I have a lt1 scanmaster so I can read the voltage of that. Where should the correct voltage be at idle??
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Old 06-10-2008, 07:29 PM
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.20-.90V@ idle... no more than 4.9V at wot...Did a search for you.
Last edited by joeSS97; 06-10-2008 at 07:35 PM.
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Old 06-10-2008, 09:07 PM
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Originally Posted by joeSS97
.20-.90V@ idle... no more than 4.9V at wot...Did a search for you.
cool thanks buddy - Mike
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