Need help for my 05 GMC?

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03-06-2013, 12:16 PM

hthy

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Need help for my 05 GMC?

Hi,
I have 2005 GMC Yukon XL, i removed the catalytic converter.
I have the HP tuners, do i need to tune?

Thanks,
hthy

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03-06-2013, 02:24 PM

wait4me

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Not sure on the table names, but you need to delete the o2 sensor codes for bank 1 sensor 2 and bank 2 sensor 2.
Then you need to turn off codes for the Cats and secondary air injection.
then you need to shut off cat overtemp protection.

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