Thread: oxygen sensor question
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Old 08-12-2004, 10:31 PM
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BlazerLT BlazerLT is offline
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Re: oxygen sensor question
You will have 3 or 4 O2 sensors.

1 or two in the exhaust manifolds.

One before the cat convertor

1 after the cat convertor.

Why do you think they need replacing? Did you get some engine codes?
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