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Is my throttle position sensor on backwards?

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Old 09-20-2010, 06:54 PM
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Is my throttle position sensor on backwards?

I was trying to test my TPS when I noticed the it didn't look like the drawing in the FSM. It looks like it's on backwards, but if it is how the heck have I been driving around for 7 months like that?



Last edited by hermyboy3000; 09-20-2010 at 06:57 PM.
Old 09-20-2010, 06:55 PM
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Old 09-20-2010, 07:28 PM
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Yours is facing the opposite direction mine is. Mine "could" go on backwards too but hit some throttle linkage, which you don't seem to have.
Old 09-20-2010, 09:05 PM
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No, it's on correctly. They faced that way up to a certain year. Not sure which one that is, but atleast '92 and after the TPS terminals face the manifold.
Old 09-21-2010, 07:54 AM
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Aah, thanks.
Old 09-21-2010, 08:05 AM
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drewgarrett.....I'm thinking Toyota switched TPS direction when throttle valve openers were added to the throttle body. The "linkage" you refer to? It will have a vacuum line going to it, if it's the opener.

Last edited by thook; 09-21-2010 at 08:06 AM.
Old 09-22-2010, 04:59 AM
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thats correct fro 88 to i believe 91 or 92
Old 09-27-2010, 03:41 PM
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i have a 90 and mine is faced the other way?

can they be ran either direction and is one better than the other
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