One wire AC Delco O2 Sensor
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Joined: Nov 2003
Posts: 268
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From: Mid Mo.
Car: 1989 GTA - Gunmetal grey
Engine: 5.7 ltr.
Transmission: 700R4
Axle/Gears: 3:27 9 Bolt Borg Warner
One wire AC Delco O2 Sensor
I have a new, (not even a hour of use) AC Delco 1 wire O2 sensor for 30 bucks shipped. I went to a heated 3 wire due to newly installed headers giving issues with my ECM.
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