obd2-headers-emissions
04-29-2005, 11:18 AM
#1
obd2-headers-emissions
in washington to pass emissions the obd2 monitors have to be ready and u have to pass a gas cap test and u cant have any codes in the comp. but taking out the cats and reinstalling the down stream o2 sensor will set a code
for cat effiency below threash hold so how would u get around this with installing headers.
for cat effiency below threash hold so how would u get around this with installing headers.
04-29-2005, 11:26 AM
#2
Either get an O2 sim from here www.o2simulator.com or extend the O2 sensors and weld em in on the b-pipe after the main cat.