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o2 sensor wiring to ecu


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evoevi 
Member - Posts: 1
Member spacespace
Joined: July 12, 2014
Location: Colorado, United States
Posted: July 12, 2014 at 2:31 AM / IP Logged  
I have a 1992 Pontiac grand prix. the o2 sensor is not hooked up. I put a new one in but the connection to the pcm is no where to be found. I need it to be connected to pass emitions. where do I go to find the connection at?
figuring it out
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: July 14, 2014 at 7:09 AM / IP Logged  
You mean that there is no single wire connection off then standard harness?
Not that I'm Pontiac familiar, but from what I've seen there are various versions - all EFI but some with two sensors - and all (from memory) single wire. If it's the st'd loom, there should be a termination for the O2 sensor.
Is the loom st'd or has it been butchered?

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