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Incorrect Tps Voltage

tomtomtuning
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tomtomtuning Explorer

tomtomtuning

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Hello every one

Some of you might remember me having a problem where my car would make boost while not moving (not under a load) Well honestly i believe i still have that problem. But that is beside the point. Sine then i have replaced timing belt, set ignition timing to 15 degrees... etc...

But while trouble shooting that issue, i decided to check the TPS voltage to insure that its correct.

I understand that when closed i should be getting about 0.3-0.5 and when open i believe its about 6.0?

But....

I get about 6.0 voltage when the throttle is closed, and as i open the throttle it begins to go up

Then as i continue to open the throttle the voltage goes back down... untill its 100%

I have a 90mm Q45 Throttle body using the RB25 TPS. and its an S1 RB25

the one clip from the Q45 TPS is differnt, but once clip is the same. The clip that is the same is the one i check for the voltage. So i tired the Q45 TPS hopping that my RB25 TPS might be defective but the same thing happens

I plan on hooking up my consult that i just got up this week, to see what it reads for the TPS

And compare that to what i get using the multimeter.

But i just wanted to know what every one thought?

remember i have a RB25 in a US Spec Nissan 240sx...

And the wiring had to be converted to work. but every thing else is fine on the car.

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https://www.sau.com.au/forums/topic/171911-incorrect-tps-voltage/
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tomtomtuning Explorer

tomtomtuning

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Posted (edited)

Here are some pictures of my car....

http://www.skylinesaustralia.com/forums/in...162572&st=0

Make sure you check out the last page, for new pic's i posted.

Thanks!!!

Edited by tomtomtuning

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