help with oxygen sensor please....
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Junior Member
Joined: Aug 2010
Posts: 49
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From: Guelph, Ont
Car: 1984 Trans am
Engine: 305 H.O.
help with oxygen sensor please....
I have an 84 T/A, changed the engine last fall. I'm trying to figure out where the oxygen sensor hooks up?!!? ( Not the end that goes into the exhaust manifold!!!) Any help would be apreciated!! By the way, its a 305 H.O.
Joined: Jul 2000
Posts: 6,521
Likes: 91
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: help with oxygen sensor please....
the wiring for it ultimately heads to the passenger side firewall to go to the ECM. Some carb'd Q-jet SBC models ran the wiring under the engine but I think in 84, it's still in the harness that heads back over the back of the engine.
Joined: Dec 2005
Posts: 4,795
Likes: 15
From: St. Cloud, MN
Car: 1984 Trans Am
Engine: LS1383 in work
Transmission: Magnum F - to be installed
Axle/Gears: Zexel Torsen 3.73, 28-spline mosers
Re: help with oxygen sensor please....
84 T/A here with CC Qjet. There should be a single black connector on a wire that goes into the harness which will then go to the ECM. The connector is on the drives side by the firewall. Can't recall the color off hand but if the connector is still on the wire, should be easy to spot.
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HoosierinWA
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Oct 7, 2015 10:15 AM
