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

02 sensor help

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Old Oct 20, 2008 | 11:07 AM
  #1  
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From: Oregon
02 sensor help

How do I check the 02 sensor in my 88 4runner, I have an 86 FSM and it shows to test it with the connectors under the hood, but I don't have these connectors, also my 02 sensor is in the exhaust before the cat not in the exhaust manifold. Any help would be great!
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Old Oct 20, 2008 | 01:04 PM
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From: Oregon
bump?
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Old Oct 20, 2008 | 01:13 PM
  #3  
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From: Lake City, Fl
Originally Posted by 88T4R
I have an 86 FSM and it shows to test it with the connectors under the hood, but I don't have these connectors
you don't have the connector's under your hood, or you don't have what plugs into it?
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Old Oct 20, 2008 | 01:39 PM
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From: Temecula Valley, CA
well, some of the stuff on the electronics changed between 86 and 88 so, you'd need to reference an 88-95 manual.
try this: http://personal.utulsa.edu/~nathan-b...42oxygense.pdf
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Old Oct 20, 2008 | 07:19 PM
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From: Oregon
Thank you thats exactly what I needed, will test it tomorrow!
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