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LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

O2 sensor/ cat

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Old 04-19-2018, 11:23 PM
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O2 sensor/ cat
Wanting to take off the cat so i can run straight pipes, do i need to worry about o2 sensors or are they before the cat?
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Old 04-20-2018, 08:53 AM
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Re: O2 sensor/ cat
OBD-1 LT1 (93-95) only has two pre-cat sensors, one for each bank of the engine. After-cat sensors were added in 1996 models with the changeover to OBD-2.
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