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

Help me read my engine codes with my You Tube Video

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Old May 5, 2008 | 04:56 PM
  #1  
simpsons721's Avatar
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From: Boulder, Colorado
Red face Help me read my engine codes with my You Tube Video

please help me read my engine code flashes

I would guess its 71 because my car feels overheated but my temp gauge reads normal

also give me tips on how to fix the problem

heres the video
http://www.youtube.com/watch?v=WvzATA_3Pck

[YOUTUBE]http://www.youtube.com/watch?v=WvzATA_3Pck[/YOUTUBE]





please tell me the code and the problem
I do have a link to a site with the error codes but i want to make sure im reading them right

sorry for my horrible counting

thanks
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Old May 5, 2008 | 05:07 PM
  #2  
Supra 4x4's Avatar
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From: Conyers, Ga.
That is a 71 and it just keeps repeating until you remove the jumper wire or the code is cleared.
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Old May 5, 2008 | 05:29 PM
  #3  
abecedarian's Avatar
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From: Temecula Valley, CA
71- EGR gas temperature below pre-determined level during EGR operation or open EGR gas temp sensor signal.
Caused by:
EGR valve
EGR hose
EGR gas temp. sensor circuit (wiring)
EGR gas temp sensor
VSV for the EGR circuit
ECU

this post subject to change as more information gathered.
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Old May 5, 2008 | 08:28 PM
  #4  
js9924's Avatar
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From: Tampa, Fl
Originally Posted by abecedarian
71- EGR gas temperature below pre-determined level during EGR operation or open EGR gas temp sensor signal.
Caused by:
EGR valve
EGR hose
EGR gas temp. sensor circuit (wiring)
EGR gas temp sensor
VSV for the EGR circuit
ECU

this post subject to change as more information gathered.
x2 but....

Its probably the sensor but you need to take the EGR valve off and clean it out. It should slide smoothly if you push the valve up from the bottom, also clean the EGR vacuum modulator it has a small filter in it. The sensor is likely the issue you can try cleaning it sometimes it gets dirty, or you can push a 10k ohm resistor into the connector going to the temp sensor. This tricks the ECU into getting a good reading and will keep the code from returning.
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