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2007 Infiniti G35s 6mt Sedan Inspection is coming up and I need some advice! Exhaust set-up = Stillen Catback Exhaust with GTM Resonated Test Pipes. Car is throwing codes P0420
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10-24-2011, 01:15 PM
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#1 (permalink) |
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Base Member
Join Date: Feb 2010
Location: New York
Posts: 63
Drives: XXX
Rep Power: 15  |
Service Engine Soon - HFC/TP o2 Sensors (P0420 & P0430)
2007 Infiniti G35s 6mt Sedan
Inspection is coming up and I need some advice! Exhaust set-up = Stillen Catback Exhaust with GTM Resonated Test Pipes. Car is throwing codes P0420 & P0430, which is common for HFC/TP's. My GTM RTP's have the extended J-Bung for the rear o2 extenders but it didn't help and my car still throws the codes. I put in some steel wool (2" long 1" diameter) into the J-Bung yesterday and it still throws the codes. It didn't take that much force or effort to insert the steel wool but it did seem rather secure? I'm thinking about adding some more steel wool? How much is too much and how little is too little? I can't add any extenders because there is no room due to the already extended J-Bung of the GTM RTP'. Seems like my options are going back to stock cats if the steel wool doesn't work? Anyone know of any friendly inspection shops in NY? Thanks! |
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10-24-2011, 03:02 PM
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#2 (permalink) |
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A True Z Fanatic
Join Date: May 2009
Location: Sugar Land
Posts: 3,692
Drives: 97' Ranger :)
Rep Power: 23  |
im having the exact same issue with my CNT res/TP's. i have tried steel wool and the O2 bung extenders. im thinking about just going with some HFC. the SES light is getting on my nerves.
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10-24-2011, 03:05 PM
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#3 (permalink) | |
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A True Z Fanatic
Join Date: May 2009
Location: ITU Zone 2
Posts: 22,459
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Quote:
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Andrew  2009 370Z Sport/Touring 6MT sold 2013 Honda Civic Si coupe D/D |
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10-27-2011, 01:57 PM
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#4 (permalink) |
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Base Member
Join Date: Feb 2010
Location: New York
Posts: 63
Drives: XXX
Rep Power: 15 |
I managed to pass inspection today! After a lot of trial and error with steel wool, obdii scanner, Factory Service Manual and driving techniques, my car did not throw any codes.
Thanks again for the feedback. |
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