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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Symptoms of faulty TPS?

Old Aug 27, 2008 | 09:10 PM
  #21  
thook's Avatar
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From: NW Ark on wooded ten acres...Ozarks at large!
Ding, ding....we have a winner ladies and gentlemen.
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Old Aug 28, 2008 | 05:06 AM
  #22  
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From: Abington, PA
Originally Posted by slacker
My TPS worked just fine .. along with other units I tested .. my problem turned out to be the throttle body . throttle body shaft bushings to be exact ..

seems with th 260K I have on my unit , like a carb , the shaft bushing have warn , and now creating a vac issue .
More info on this please!

The only way I know of testing for TB leaks is by doing what my world likes to call a "boost leak test". It's where you hook up compressed air to the TB and force air through hearing for any leaks.

Last edited by BoostinChick; Aug 28, 2008 at 05:09 AM.
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Old Aug 28, 2008 | 08:50 AM
  #23  
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From: Temecula Valley, CA
I just wanna add that BoostinChick's TPS problem appears to be that it's reading constantly at idle even when it's not (the IDL signal to the ECU is not clearing when the throttle is opened).
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Old Aug 29, 2008 | 12:57 PM
  #24  
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From: Michigan
Originally Posted by iamsuperbleeder
had to come out of the "oil cap removed" thread, lol
what didn't come out of that thread.
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Old Aug 29, 2008 | 06:37 PM
  #25  
thook's Avatar
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From: NW Ark on wooded ten acres...Ozarks at large!
Originally Posted by Swansen
what didn't come out of that thread.
Good taste!
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Old Aug 30, 2008 | 01:10 AM
  #26  
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From: Michigan
Originally Posted by thook
Good taste!
HAHAHAHA
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Old Aug 30, 2008 | 06:06 AM
  #27  
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From: Omaha, NE
tps

Originally Posted by iamsuperbleeder
I had all the symptoms listed about when my TPS took a crap...

Like Jay said, I unplugged mine and left it unplugged for 3 days till I got a new one cause it ran so much better.

So try that first and see what happens.

Good luck
Hell I would have guessed the engine wouldn't even idle with it unplugged.
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Old Sep 13, 2008 | 04:24 PM
  #28  
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From: San Cristobal de Las Casas, Chiapas, Mexico
I disconnected my TPS today and the idle bumped up a bit (haven't test driven yet while it's diconected), seemed smoother so I'm guessing that's a good thing (except for the TPS being bad). When I plug it back in the idle drops to about 800 or 1000 and is slightly rough. Since I've been here in Mexico I only get about 130 miles per tank while in the US I was getting about 220 miles to a tank. I know part of the reason can be the crappy gas, but someone mentioned too that I check my TPS.

I'm in Mexico at least for the next 2-3 months and the chances of me finding the TPS here and at a decent price is about impossible. I could have one mailed to me but I'm not too sure I'd even receive it.

So if I were to drive around with it disconnected would that harm anything on my engine?
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Old Sep 13, 2008 | 04:43 PM
  #29  
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From: Hopkins, MN
Is this the movie you guys were talking about?

http://www.youtube.com/watch?v=atHWASn_ygo
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Old Sep 14, 2008 | 10:20 AM
  #30  
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From: Michigan
Originally Posted by passion2serv
I disconnected my TPS today and the idle bumped up a bit (haven't test driven yet while it's diconected), seemed smoother so I'm guessing that's a good thing (except for the TPS being bad). When I plug it back in the idle drops to about 800 or 1000 and is slightly rough. Since I've been here in Mexico I only get about 130 miles per tank while in the US I was getting about 220 miles to a tank. I know part of the reason can be the crappy gas, but someone mentioned too that I check my TPS.

I'm in Mexico at least for the next 2-3 months and the chances of me finding the TPS here and at a decent price is about impossible. I could have one mailed to me but I'm not too sure I'd even receive it.

So if I were to drive around with it disconnected would that harm anything on my engine?
no, you'll just get HORRIBLE mileage
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