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TPS voltage fine-TPS% WRONG-Help

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Old Feb 28, 2005 | 03:53 PM
  #1  
91GTABird's Avatar
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From: Memphis, Tn
Car: 92' RS
Engine: 357
Transmission: TH350
Axle/Gears: 4.10
TPS voltage fine-TPS% WRONG-Help

After installing the new ecm today(730) my car cranked and idled fine. I set my NEW tps voltage to .54v at idle. When i give it gas the voltage goes up but the TPS% wont go above .02-.05%. Im using Tunerpro RT. How can the TPS voltage go up but the TPS% wont go up.

There is 3 wires going to the TPS. Is there a specific wire(s) just for the TPS% reading?

Is there a specefic wire(s) for the TPS voltage reading? My car is still on the side of the road and i cant do anything.

When i give it gas the TPS voltage goes up but the TPS% wont. Because the TPS% wont go up the injector pulse width wont go up accordingly either. So with it being like that i can get enough gas to get it down the road.

Heres my other post pertaining to it.
https://www.thirdgen.org/techbb2/sho...60#post2207960
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Old Feb 28, 2005 | 06:13 PM
  #2  
eric305TPI's Avatar
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Joined: Oct 2003
Posts: 302
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From: Houston / The Woodlands, TX
Car: 82 ElCamino, looking for a 3rd gen
Engine: 305 TPI(427SB in progress) 730 $8D
Transmission: THM350 (Getting a 4L80E soon)
Axle/Gears: 10 Bolt w/ 2.43 gears :(
Which aldl definition are you using with tunerpro rt? There is one that reports the tps percent wrong on the $8d 1227730 ECM's.

Here is an updated version of the 1227730 Tunerpro Aldl definition
Right click and choose save as or else it will open as a text file in the browser.(at least with IE6)

http://www.moates.net/files/4)%20Dat..._2-15-2005.ads

Last edited by eric305TPI; Feb 28, 2005 at 06:22 PM.
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Old Feb 28, 2005 | 08:07 PM
  #3  
91GTABird's Avatar
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Joined: Aug 2001
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From: Memphis, Tn
Car: 92' RS
Engine: 357
Transmission: TH350
Axle/Gears: 4.10
the thing is before i the car just died the TPS% worked just fine with the ALDL Def. that i was using. Why not now?
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Old Mar 1, 2005 | 07:05 AM
  #4  
RBob's Avatar
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Originally posted by Bri3212
the thing is before i the car just died the TPS% worked just fine with the ALDL Def. that i was using. Why not now?
New ECM is bad? How are you measuring the voltage? If directly from the TPS with a DVM while the ECM reports 0, the ECM or the wiring is bad.

RBob.
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Old Mar 1, 2005 | 08:30 AM
  #5  
91GTABird's Avatar
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Joined: Aug 2001
Posts: 972
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From: Memphis, Tn
Car: 92' RS
Engine: 357
Transmission: TH350
Axle/Gears: 4.10
Ecm is out of a friends car. I havent actually put a DVM on it, i just been going by the sensor reading on Tunerpro. Im going to play with the wires and get a volt meter on it today and ill post back.
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Old Mar 1, 2005 | 08:15 PM
  #6  
91GTABird's Avatar
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Joined: Aug 2001
Posts: 972
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From: Memphis, Tn
Car: 92' RS
Engine: 357
Transmission: TH350
Axle/Gears: 4.10
UPDATE!

Might have located the problem.

Im only getting 16-18psi. 42psi is what im supposed to be getting.

The fuel pump is not even 1 year old. But the funny thing is that Tunerpro is saying that im getting 14.8v +dc at my pump when my battery voltage is only 14.3v +dc. Bad relay?
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