2001 LeSabre with P0135??? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-03-2011, 10:19 PM   #1
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Default 2001 LeSabre with P0135???

Hi. I have a 2001 LeSabre with a P0135 code. It says that it'* the O2 sensor on bank 1 sensor 1. Where is bank 1 sensor 1 located? I'm guessing that it'* the one in the rear exhaust manifold between the firewall and the engine. Is that right? I only see 1 in the engine compartment and 1 underneath after the cat. Thanks for the help.
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Old 10-03-2011, 10:20 PM   #2
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Yes, bank 1 is your front O2 sensor.
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