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Feb 2, 2023 | 09:16 AM

salamburger

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Joined: Feb 2023

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code issues

Oxygen sensor bank 2 sensor 1 upstream Grand Cherokee 2014 3.6 Flex fuel

Hi guys , I have a check engine light and P1129 - closed fueling not achieved - bank 2 upstream error code and also misfires on 2,4,6 cylinders. I assumed it is the Oxygen sensor and I already bought it, but I do not know where it is in order to change it? Is anyone available to send me pictures of its location or a drawing/schema. Thanks a ton!

Apr 27, 2023 | 10:01 AM

BUELLIGAN

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Joined: Jun 2010

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From: Bloodymore Murderland I am a Preacher of the Good news of JESUS CHRIST ,a Bad Actor ,Metal Bass play

Year: 1997

Model: Grand Cherokee (ZJ)

Engine: 4.0

My 97 ZJ starts at 12 then goes to 42 the 55 .I dont see these codes for that year. Anyone know what they are ????

Apr 27, 2023 | 01:46 PM

Saudade

CF Veteran

Joined: Aug 2020

Posts: 2,147

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From: SoCal

Year: 1988

Model: Cherokee (XJ)

Engine: 4.0L

Quote:

Originally Posted by BUELLIGAN

My 97 ZJ starts at 12 then goes to 42 the 55 .I dont see these codes for that year. Anyone know what they are ????

Your 97 ZJ is OBDII. Use a code scanner to get detailed codes.

Code 42-Fuel pump or no Autoshut-down (ASD) relay voltage sense at controller.

This is the XJ forum. The ZJ forum is here: https://www.cherokeeforum.com/f5/. You may want to follow up there.