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Re: What is oxygen sensor for?
Air/ fuel ratios for the car. OBD II vehicles are equipt with 2 of them, primary in the header and 1 after the cat.
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Please don't PM me with your J-body Issues. Post appropriately in the forums,
and I will toss my opinion in your thread if I have anything to help. - Thanks!
2006 Chevrolet Trailblazer
2010 Glastron GT 205XL
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