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P0430 and headers

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Old Feb 26, 2008 | 12:25 PM
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Lordsauran's Avatar
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From: Tomball/Houston
Default P0430 and headers

I went to autozone today and I have the P0430 code. My only question is that this weekend I'll be installing LT's and do I need to replace the 02's or is it the cats? I will be removing the cats so will I be fine? Here is a scan of the printout I got.

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Old Feb 26, 2008 | 12:36 PM
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if your deleting the cats the rear 02s wil not matter because they won't be plugged in, there will only be codes. so just go ahead and replace the front 02's... u were asking about the fronts right? since the back will not be in use
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Old Feb 26, 2008 | 12:37 PM
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No wories. It is widely accepted that the rear o2 sensors have no effect on engine management. Have these codes set to "no report" by someone with tuning software and you're good to go.
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Old Feb 26, 2008 | 12:39 PM
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Without cats you'll need sims or have the rear 02 codes turned off anyway. P0430 is the passenger side cat.
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Old Feb 26, 2008 | 12:40 PM
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Yeah I was asking if I should just go ahead and replace the front 02's. I will have o2 sims on there once I get the headers on. And does anyone know a good place to get a set of header bolts??
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Old Feb 26, 2008 | 12:50 PM
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Originally Posted by Lordsauran
Yeah I was asking if I should just go ahead and replace the front 02's. I will have o2 sims on there once I get the headers on. And does anyone know a good place to get a set of header bolts??
Stage 8 locking header bolts. Many of the sponsors sell them.

A number of people think that most aftermarket o2 sensors suck compared to the OEM. I wouldn't bother replacing them if they are working OEM sensors.
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