Puppetmaster Posted December 27, 2008 Share Posted December 27, 2008 I'm working on a 2001 Pathfinder with a P0420 and P0160. The P0160 is simple enough, but the P0420 could be a little more involved. I'm 99% sure the precat on that bank is rattling, which to me would imply some or all of the honeycomb has fallen apart. It isn't a heatshield either, because I checked those. Does anyone have a good source for OEM replacement precats or even the entire exhaust manifold for Bank 1? I think the cheapest I found was around $200 shipped just for the precat from www.autopartswarehouse.com and Rock Auto. I'm almost sure a Nissan dealership would ask for about $800 for the precat. I guess a cheap way out would be to gut the precat, throw on an O2 simulator, and call it a day, but if I'm already in there, I'd rather just replace the precat. Any thoughts? Thanks. Link to comment Share on other sites More sharing options...
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