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Old Oct 12, 2011 | 09:21 PM
  #1  
esp68camaro's Avatar
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Joined: Jun 2009
Posts: 41
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Car: 86 iroc-z
Engine: 305 tpi
Transmission: 700-r4
Axle/Gears: 3.73 posi
need an answer

hey guys I bought a 86 iroc 305tpi auto in may ive worked on it replacing everything all sensors and it stays in limp mode...I decided to take the tpi off and put a carb on it, when i took off the tpi I started looking threw the wires and noticed the oil sending unit had 2 plugs a small one thats on top off the sending unit and a big one on the bottom, the bottom was unplugged and stuffed behind the wiper motor. Could this be my problem of it goin in limp mode?
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Old Oct 13, 2011 | 01:15 AM
  #2  
antoine's Avatar
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20 Year Member
 
Joined: Mar 2003
Posts: 851
Likes: 3
From: vacaville,ca
Car: 1988 camaro z28,1997 camaro lt1
Engine: 355 afr 195 heads,tpis big mouth
Transmission: 700r-4 built by me 3-4 z pack
Axle/Gears: 3.42
Re: need an answer

How do you know its going in limp home mode
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Old Oct 13, 2011 | 06:13 AM
  #3  
vetteoz's Avatar
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20 Year Member
iTrader: (13)
 
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: need an answer

Originally Posted by esp68camaro
noticed the oil sending unit had 2 plugs
a small one thats on top off the sending unit and a big one on the bottom,
the bottom was unplugged
No
the unplugged unit is the back switch to run the fuel pump if fuel pump relay fails
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Old Oct 13, 2011 | 06:50 AM
  #4  
redneckjoe's Avatar
Supreme Member
 
Joined: Sep 2011
Posts: 2,080
Likes: 34
From: Spring Hill, Fl.
Car: 87 iroc-z
Engine: 454
Transmission: th350
Axle/Gears: 3.73
Re: need an answer

i thought that was supposed to cut power off to the fuelpump if the oil pressure got too low?
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