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illest-zn's latest activity
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Iillest-zn replied to the thread MK7 Rear O2 Sensor: More than a Catalyst efficiency monitor?.Same with me, only when cruising it throws the code.
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Iillest-zn reacted to tristanr's post in the thread MK7 Rear O2 Sensor: More than a Catalyst efficiency monitor? with
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old thread, but the cat inefficiency code with my APR downpipe only triggers after cruising on the highway.