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catalytic converter
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  1. Chevy Tahoe Forum (GMC Yukon, Cadillac Escalade)
    I have a 2009 Tahoe with 300k miles that recently acquired a rattle that seems to be coming from under the engine while idling as well as driving. It is also occasionally very sluggish when I try to accelerate. It’s not always like that but has done it several times. I have tried tapping on the...
  2. Chevy Silverado Forum (GMC Sierra)
    I have a 2002 Silverado 1500 with a 5.3 and I have a catalytic converter rattling and stopped up. It has no power and throws a code P0420 Lots of people that have bought the aftermarket Y pipe with converters say they are junk and don't last more than a couple of years and the GM Y pipe with...
  3. Chevy Silverado Forum (GMC Sierra)
    recently had to change PCM and BCM because the passenger door module went bad. after getting those replaced and coded by chevy i have since had to change crankshaft and camshaft sensors to get the truck to start and run. it ran well for two days and on the three day the stabilitrak and...
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