P0420 VAG Error after Milltek CAT and Exhaust System Install
07-31-2014, 08:18 AM
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Join Date: Jul 2014
Location: toronto
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P0420 VAG Error after Milltek CAT and Exhaust System Install
Hi Guys,
Have you come across this error?
001056 - Catalyst System; Bank 1
P0420 - 002 - Efficiency Below Threshold - Intermittent - MIL ON
Any suggestions on possible fix?
Thanks
Have you come across this error?
001056 - Catalyst System; Bank 1
P0420 - 002 - Efficiency Below Threshold - Intermittent - MIL ON
Any suggestions on possible fix?
Thanks
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