P0430 Code and Cats

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Jun 9, 2005 | 02:44 PM

parbreak

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From: Hanover, MD

P0430 Code and Cats

I threw a P0430 Code which is Catalyst Efficiency Below Threshold on the passenger side. I have Jet Hot LTs with a Jet Hot Catted Y Pipe. I assume this is coming from the rear O2 sensors since it's past the cats. I had all the rear O2 codes deleted on a previous trip to the tuners even though I have
cats and have the rear O2s plugged in. My question is this:

Can I simply unplug the rear O2s and plug the hole in the Y Pipe? I don't think I need O2 sims since the codes have been deleted already. What do I do with the rear O2s and wires? Should I leave the cats in or go through the agony of pulling that Ypipe and removing them?

Thanks
Bryan
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Jun 9, 2005 | 03:33 PM

2xLS1

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From: Warr Acres, OK

If you set a P0430 code, your tuner did not turn off all the codes. Deleting rear O2s includes turning off P0420 and P0430.

Jun 9, 2005 | 03:42 PM

daryl2cb@yahoo.com

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From: Greensburg,PA

They make bungs that have plugs that are threaded the same as the o2 sensors that would allow you to take them out.

Jun 9, 2005 | 07:51 PM

kpowr82

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From: Rochester, MI

If the tuner "reset" the codes or "deleted" the occurrence of the code, you'll still set the same code off after a driving cycle or two. Like 2xLS1 said, your tuner needs to actually turn the codes "off" for it not to return.