O2 sensor/ cat

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Apr 19, 2018 | 11:23 PM

93z28maro

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Joined: Apr 2018

Posts: 8

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?

Apr 20, 2018 | 08:53 AM

Injuneer

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Joined: Nov 1998

Posts: 71,112

From: Hell was full so they sent me to NJ

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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