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Old 02-01-2003, 06:25 PM   #39
obyone
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Member#: 16523
Join Date: Mar 2002
Chapter/Region: MWSOC
Location: Anti-Russian Aggression Zone
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Quote:
Originally posted by m750
P 420
01 2.5 RS

Complete MRT exhaust w/ heat coating. CE is caused by high flow cat. No known solution.
AO
A good start to remove it would be something like the pony express MIL Eliminator. I used to get the 0420 (Cat efficiency code) all the time but it went away with the Eliminator. The thing is that it will come back on those extremly cold days if the underside, of you car, is constantly getting wet. (snowfall + salt)
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