94 z28 question

06-27-2006, 08:12 PM

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94 z28 question

i knwo on my 98 ls1 it had 4 02s but is this 94 supposed to have 4 or only 2?

06-27-2006, 08:15 PM

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only 2. 96 and up with obd2 have 4.

06-27-2006, 08:15 PM

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Only 2. Only OBD2 cars have rear o2 sensors.