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Down-pipe check engine light ?

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Old Feb 27, 2020 | 04:19 AM
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Khalidss's Avatar
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Down-pipe check engine light ?

I install down-pipe before 1 week but it show check engine light
i delete the code by jb4 but after 2 or 3 hour it show check engine light again

the are way to programmed by jb4?
did the oxygen sensor extender adapter enough to delete the check engine ?
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Old Feb 27, 2020 | 08:45 AM
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TModelle's Avatar
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Originally Posted by Khalidss
did the oxygen sensor extender adapter enough to delete the check engine ?
It looks like the extender did not work in your case.

a) try a different brand or design of extender.
b) get a tune with downstream lambda delete.
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Old Feb 27, 2020 | 12:38 PM
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And more specific, no, it cannot be deleted via JB4.
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Old Feb 27, 2020 | 02:07 PM
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I believe it can be deleted by the JB4 automatically (it basically clears the code every time it pops up), but not on the US version of the software (it doesn't meet US laws). You can spoof your location and install JB4 software and it should have the auto-clear option. I haven't done this personally but there are posts describing it.
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Old Feb 28, 2020 | 03:28 PM
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Originally Posted by Charles T
I believe it can be deleted by the JB4 automatically (it basically clears the code every time it pops up), but not on the US version of the software (it doesn't meet US laws). You can spoof your location and install JB4 software and it should have the auto-clear option. I haven't done this personally but there are posts describing it.
Still doesnt always work, or work for all cars.
I was able to get rid of the P0420/P0430 codes with the spacers, but i occasionally will get a rich condition on bank 1 (P2097), not sure why only one side but its easy to reset.
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