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| Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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05-01-2008, 09:48 PM
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#1 |
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Zilvia Addict
 
Join Date: Dec 2002
Location: norcal, bay area
Age: 37
Posts: 674
Trader Rating: (1)
 Feedback Score: 1 reviews
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tps question
what does it mean when my throttle reads 100% and voltage goes up to 4-5 when i unplug my tps? i am running s13 sr with auto harness.
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05-01-2008, 10:43 PM
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#3 |
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Zilvia Addict
Join Date: Dec 2002
Location: norcal, bay area
Age: 37
Posts: 674
Trader Rating: (1)
Feedback Score: 1 reviews
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when i plug the tps back in, my % throttle goes to 0% and stays there no matter when im flooring the car or otherwise.. i measure the voltage directly from the ecu # 20 pin (throttle position) and it goes from .05 when im not on the throttle to .3 when im stepping all the way down.
car runs like shit i can start it but will die out after letting go of the gas when driving the car. when warmed up the idle will bounce from 800-1100.
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05-02-2008, 10:43 PM
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#4 |
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Zilvia FREAK!
 
Join Date: Sep 2003
Location: Ohio
Age: 33
Posts: 1,147
Trader Rating: (1)
 Feedback Score: 1 reviews
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You have .3 volts at the ECU or the TPS? What are you getting at the TPS as far as voltage readings?
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In search of a Zenki S14 right side (passenger) fender and straight hood that are rust free. |
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05-02-2008, 11:19 PM
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#5 |
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Zilvia FREAK!
Join Date: Jan 2007
Location: Georgia
Age: 39
Posts: 1,194
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black wire should be a constant ground, green/red, or red wire should be 5 volts with the key in the ON position, then white wire should be 0 - 1.0 volt /w throttle closed and with the throttle wide open should be 4.0-5.0 volts. if not, replace with known good tps and continue diagnostics if necessary.
Dave |
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05-03-2008, 01:52 AM
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#7 |
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No Limit Soldier.
 
Join Date: Jan 2006
Location: Hayward CA, San Gabriel CA
Age: 34
Posts: 5,550
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Where in norcal are you located?
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allntrlundrgrnd: "you never really appreciate your parents fridge until you look into your own and its full of condiments only" |
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05-03-2008, 11:09 AM
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#9 |
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No Limit Soldier.
Join Date: Jan 2006
Location: Hayward CA, San Gabriel CA
Age: 34
Posts: 5,550
Trader Rating: (0)
Feedback Score: 0 reviews
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Aww shucks..a little far.
I would help you, only if you let me use your multimeter  my shit is stupid wack.
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allntrlundrgrnd: "you never really appreciate your parents fridge until you look into your own and its full of condiments only" |
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RB25 280z GT30/76R 441hp/381tq 
Linear Mode
