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MikeJones603
03-30-2023, 05:25 PM
My 2017 6.2 Indmar is throwing a DTC 134 EGO3 open/lazy code. I swapped sensors around, and replaced (pre/post cat). No luck.

I wanted to check in here to see if anyone has had success solving this code. I'll probably shift my focus area over to the injectors, but just wanted to see if anyone here could provide any info. Thanks in advance.

30796
HFarr
03-30-2023, 08:42 PM
This is from a very old thread on this site.....https://uploads.tapatalk-cdn.com/20230331/26d271d0c326657417a1114c3e33d6ef.jpg

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HFarr
03-30-2023, 08:44 PM
Better picture to track it back byhttps://uploads.tapatalk-cdn.com/20230331/8d3de1c0f9de2a065adb4fbe6a3beaa7.jpg

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Mxmark4
03-30-2023, 10:31 PM
Is that the code when your side panels push into the wire harness? A lazy or slow to respond sensor is usually needing replaced. O2 sensors switch from rich to lean constantly and if its not switchig fast enough 9/10 its a sensor.
HFarr
03-31-2023, 10:36 AM
Ah....sensor wires pinched at the tip of the sensor by the panels maybe? Forgot those things can tend to press on them when they bow in from full bags.

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MikeJones603
03-31-2023, 11:09 AM
Is that the code when your side panels push into the wire harness? A lazy or slow to respond sensor is usually needing replaced. O2 sensors switch from rich to lean constantly and if its not switchig fast enough 9/10 its a sensor.

[QUOTE=HFarr;383680]Ah....sensor wires pinched at the tip of the sensor by the panels maybe? Forgot those things can tend to press on them when they bow in from full bags.

Definitely something I'll look into. Although I was experiencing the code when bags were empty, I do remember those wires being close to the panels when I was switching the (post cat) 02 sensors out.
MikeJones603
03-31-2023, 11:10 AM
Is that the code when your side panels push into the wire harness? A lazy or slow to respond sensor is usually needing replaced. O2 sensors switch from rich to lean constantly and if its not switchig fast enough 9/10 its a sensor.


Ah....sensor wires pinched at the tip of the sensor by the panels maybe? Forgot those things can tend to press on them when they bow in from full bags.

Definitely something I'll look into. Although I was experiencing the code when bags were empty, I do remember those wires being close to the panels when I was switching the (post cat) 02 sensors out.