bank 1 vs 2 can someone clarify

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Mar 2, 2019 | 01:49 PM

redwhitekat

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TReK

Joined: May 2011

Posts: 2,768

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From: kitchener, canada

bank 1 vs 2 can someone clarify

Can someone clarify my ultraguage is giving me a weird reading for my o2 sensor for bank 2 sensor 1
this is the drivers side sensor before the catalytic????
All my other Sensors are reading .445 etc bank 2 S1 is .0 to .07

03 disco Canada

Mar 2, 2019 | 02:31 PM

redwhitekat

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TReK

Joined: May 2011

Posts: 2,768

Likes: 396

From: kitchener, canada

Got code 0134 replaced drivers side o2 sensor and still throwing code readings are fluctuating

Mar 2, 2019 | 06:40 PM

mollusc

Camel Trophy

Joined: Nov 2015

Posts: 3,560

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From: Staten Island, NY

i thought bank 1 was driver side and bank 2 was passenger (on lhd vehicles). sensor 1 is upstream and sensor 2 is post-cat.

Mar 2, 2019 | 07:18 PM

Best4x4

Super Moderator

Joined: Apr 2015

Posts: 7,983

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From: Beaumont, TX

LHD:

Bank 1 = 1,3,5,7 Drivers Side
Bank 2 = 2,4,6,8 Passenger Side

Upstream O2 = Before Cat's
Downstream O2 = After Cat's

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