Oxygen Senors

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03-27-2010, 02:53 AM

WS6 L98

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Oxygen Senors

Retarded question but how many o2 sensors does an '98-'02 Ls1 have??? I have been told 2 and some have told me 4???? :

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03-27-2010, 04:08 PM

6.0 silverado

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Stock car comes with four. Two are pre-cat sensors and two are post-cat. You do not need the two post-cat sensors for the motor to run correctly. They are there purely for emissions purposes.

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