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samwichse · 06-12-2016, 07:04 PM

P0420 is a cat efficiency code.

Also: I flip the snorkel over like that for the coldest part of winter. But! I find the gas engine seems to have significantly less low-end torque when I do that, possibly do to the loss of the resonator...

06-12-2016, 07:04 PM	#101 (permalink)
samwichse Thalmaturge Join Date: Mar 2011 Location: The edge of nowhere Posts: 1,165 Spicy Italian - '13 Fiat 500 Abarth eBike - '94 Trek Mountain Track 820 CHONK - '18 Honda Clarity Thanks: 766 Thanked 643 Times in 429 Posts	P0420 is a cat efficiency code. Also: I flip the snorkel over like that for the coldest part of winter. But! I find the gas engine seems to have significantly less low-end torque when I do that, possibly do to the loss of the resonator...