Magna-flow cat
#3
well, I don't know, it's been on there for about five months now and only came on once. I think I may have a CPI problem, because its the original unit on the car. I peaked through the hole in the top and saw a big clean spot.....
#4
Its not, a problem wih the cpi, speaking from a GM mechanic. Just because it has to throw a pending code now and again it will trigger the SES light. The cat is fine (as long as its new) but the O2 sensor just has a problem(as in it doesn't recognize the flow to the GM specs).
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sysmex
Headers, Intake, & Exhaust
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11-07-2006 04:53 PM