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SN95 Cobras
Throwing P0430?
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<blockquote data-quote="iamtheshaner" data-source="post: 14236099" data-attributes="member: 157055"><p>It would be nice if you could datalog or at least backprobe the bank two downstream 02 signal to see what the voltage is doing. Based on the code I'm guessing it's doing the same thing as the upstream bank two 02 sensor (switching between around .1v and .9v.....</p><p></p><p>But without this information, the best suggesting I can think of is to swap the MIL eliminators side to side and see if you set a P0420 after a day or two. This would indicate a bad MIL elminator. </p><p></p><p>The bottom line is that the P0420 and P0430 codes mean the catalyst isn't working. If you have an O/R midpipe (without cats) these codes SHOULD be set; hence the need for MIL elminators when running these parts. </p><p></p><p>I wouldn't put too much stock in the fact that the codes didn't set until some time after you installed the longtubes. Coincidental</p></blockquote><p></p>
[QUOTE="iamtheshaner, post: 14236099, member: 157055"] It would be nice if you could datalog or at least backprobe the bank two downstream 02 signal to see what the voltage is doing. Based on the code I'm guessing it's doing the same thing as the upstream bank two 02 sensor (switching between around .1v and .9v..... But without this information, the best suggesting I can think of is to swap the MIL eliminators side to side and see if you set a P0420 after a day or two. This would indicate a bad MIL elminator. The bottom line is that the P0420 and P0430 codes mean the catalyst isn't working. If you have an O/R midpipe (without cats) these codes SHOULD be set; hence the need for MIL elminators when running these parts. I wouldn't put too much stock in the fact that the codes didn't set until some time after you installed the longtubes. Coincidental [/QUOTE]
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Throwing P0430?
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