BSER Posted October 21, 2004 Report Share Posted October 21, 2004 Hi guys, it's been a while but i've been out of the country for the last 3 months and my truck has just been sitting. I'm getting o2 check codes for the rear o2 sensor. I'm told this is due to the headers and high flow cats in combination with the SC. The engine is flowing to much air for the senors to read properly. That check engine light is really annoying and i want to fix it permanently. Any suggestions? I know you can bypass the rear sensor with a plug in simm (JEGS has em). Any issues with this method? Are there replacement sensors available? If so where do we get em? Link to comment Share on other sites More sharing options...
rdss Posted October 21, 2004 Report Share Posted October 21, 2004 Gut the cats and retune with the rear O2 sensors off and you wont have that problem. Link to comment Share on other sites More sharing options...
dcairns Posted October 21, 2004 Report Share Posted October 21, 2004 I was getting some O2 errors before I updated my Radix tune with the latest from Magnacharger, have you checked with them to see if you are up to date? P0430 Catalyst System Efficiency Below Threshold (Bank 2) Link to comment Share on other sites More sharing options...
zippy Posted October 21, 2004 Report Share Posted October 21, 2004 just have allen program them out for you. Link to comment Share on other sites More sharing options...
mwalls54 Posted October 21, 2004 Report Share Posted October 21, 2004 yeah allen can turn those off and you wont have to do anything to them just leave them in there. Link to comment Share on other sites More sharing options...
deve8edsilv Posted October 21, 2004 Report Share Posted October 21, 2004 yeah allen can turn those off and you wont have to do anything to them just leave them in there. <{POST_SNAPBACK}> I had mine turned off and the check engine light still came on so we just changed the parameters that turn the light on. So far so good. Link to comment Share on other sites More sharing options...
BenKey Posted October 26, 2004 Report Share Posted October 26, 2004 Out of country, huh? Sounds like your old military days. Link to comment Share on other sites More sharing options...
rdss Posted October 26, 2004 Report Share Posted October 26, 2004 You where in the military Bob? Link to comment Share on other sites More sharing options...
BenKey Posted October 26, 2004 Report Share Posted October 26, 2004 You where in the military Bob? <{POST_SNAPBACK}> He's retired Air Force. Link to comment Share on other sites More sharing options...
m396 #00-011 Posted October 26, 2004 Report Share Posted October 26, 2004 yeah allen can turn those off and you wont have to do anything to them just leave them in there. <{POST_SNAPBACK}> Link to comment Share on other sites More sharing options...
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