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May 22nd, 2005, 11:58 AM
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Having a problem reading TPS voltage with voltmeter
I have back probed the TPS with a safety pin, a paper clip, and even the probe itself to try to get a voltage reading and I just can't seem to get a reading. But when I check the voltage with the TPS disconnected I get the desired 5 volts. Can someone please help me here? I don't want to drive it until I get it fixed.
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1986 GN T-Top sits in the garage all day while I'm at college. So sad 
    
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May 22nd, 2005, 12:01 PM
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Oh yeah, I have one more question but this is turbo related. I don't know much about these cars yet and I have never owned a turbo car but the turbo generates A LOT of heat and I mean A LOT. When I turned it on the other day smoke was coming from the turbo, or at least heat. Is it supposed to do that or do I have a major leak somewhere?
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1986 GN T-Top sits in the garage all day while I'm at college. So sad
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May 22nd, 2005, 02:48 PM
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Re: Having a problem reading TPS voltage with voltmeter
Quote:
and the idle voltage is .40 - .46 a little less than half a volt
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86 GN T66DBB , 60lb injectors Turbotweak chip alkycontrol kit ,PTE Front mount,Translator +,KB 70mm TB, RJC power plate , KB adj fuel reg ,THDP, ATR Headers GNX dash H&R mounts, CK Perf trans 3200 single disc Vig converter 87 Turbo T Stock except for hooker cb, mp 3 Dp ,36lb inj & Dutt neck "Horsepower is how fast you hit the wall, torque is how much of the wall you take with you." www.ckperformance.com www.westcoast6s.com
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May 22nd, 2005, 09:36 PM
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Well I got the voltage to between .41 and .42 but when I turn the accelerator the voltage does not increase accordingly.
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1986 GN T-Top sits in the garage all day while I'm at college. So sad
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May 22nd, 2005, 09:41 PM
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Quote:
when you open the throttle slowly the voltage should go from .41 to.42 .43 .44 etc all the way to (should be 5.00 v but never is) 4.65 v Whats the voltage at WOT ?
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86 GN T66DBB , 60lb injectors Turbotweak chip alkycontrol kit ,PTE Front mount,Translator +,KB 70mm TB, RJC power plate , KB adj fuel reg ,THDP, ATR Headers GNX dash H&R mounts, CK Perf trans 3200 single disc Vig converter 87 Turbo T Stock except for hooker cb, mp 3 Dp ,36lb inj & Dutt neck "Horsepower is how fast you hit the wall, torque is how much of the wall you take with you." www.ckperformance.com www.westcoast6s.com Last edited by petesgn : May 22nd, 2005 at 09:44 PM.
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May 22nd, 2005, 11:03 PM
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The voltage is what it is at idle, between .41 and .42. It doesn't change at all.
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1986 GN T-Top sits in the garage all day while I'm at college. So sad
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May 23rd, 2005, 02:47 AM
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TPS voltage
Is the pin on the butterfly shaft bent or broken? Sounds like the TPS actuator is not moving when you push down on the accelerator.
I would suggest removing the TPS get it on your workbench and put a meter on it see if you can get the resistance to change over the sweep area. If not then the part itself needs replacing. HTH Peter
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May 23rd, 2005, 10:49 AM
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That piece isn't broken or bent. It moves with the throttle. I will take it off though and check for resistance. How do I do that?
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1986 GN T-Top sits in the garage all day while I'm at college. So sad
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May 23rd, 2005, 11:11 AM
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Nevermind guys. I figured it out. I didn't have the metal piece in front of the pin. My setting at idle is .411 volts and wide open throttle is 4.35 volts. Does that sound okay or should I keep adjusting it?
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1986 GN T-Top sits in the garage all day while I'm at college. So sad
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May 24th, 2005, 12:31 AM
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sounds good
 Have fun.
__________________
86 GN T66DBB , 60lb injectors Turbotweak chip alkycontrol kit ,PTE Front mount,Translator +,KB 70mm TB, RJC power plate , KB adj fuel reg ,THDP, ATR Headers GNX dash H&R mounts, CK Perf trans 3200 single disc Vig converter 87 Turbo T Stock except for hooker cb, mp 3 Dp ,36lb inj & Dutt neck "Horsepower is how fast you hit the wall, torque is how much of the wall you take with you." www.ckperformance.com www.westcoast6s.com
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