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How many o2 sensors on 93' Caprice?


mrwrong
12-17-2007, 07:51 PM
Its a 93' 9c1 5.7L with single exhaust. Any help greatly appreciated
maxwedge
12-17-2007, 07:53 PM
Should only be one.
PeteA216
12-17-2007, 11:02 PM
Agreed, I think there was only one O2 sensor on all GM vehicles until the On-Board II ECM (OBD2) came out in 1996.
silicon212
12-17-2007, 11:09 PM
Again, to second and third the above comments, you should have one EGO sensor and it will be mounted on the driver side manifold, above the crossover pipe flange.

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