what are the o2's ?

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Oct 19, 2005 | 05:09 AM

riodealz28

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From: rio grande city

what are the o2's ?

are the o2 sensors the 1's that are before the cat the 1ns that are closer to the manafold and if they are what do they do ?

Oct 19, 2005 | 10:00 AM

Hambone 7

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From: Chattanoga TN

Ibelieve the ones closer to the manifold actually read air/fuel, the ones after the cat measure temp's to make sure the cats a functional. if im wrong someone else please back me up on it...

Oct 19, 2005 | 11:40 AM

screamin94Z

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From: Raleigh NC

they both do the same thing, they measure the amount of oxygen in the exhaust and tells the computer how to change the fuel trims to keep your air/fuel mixture in a safe range.

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