Hey everyone! I just had my tuner install ISR HFCs on my 09 370z. The car was throwing a P0420 for catalyst efficiency, so I thought it was a good
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03-06-2024, 02:31 PM | #1 (permalink) |
Base Member
Join Date: Feb 2016
Location: CT
Posts: 93
Drives: 2009 370z
Rep Power: 145 |
UpRev and Inspection
Hey everyone! I just had my tuner install ISR HFCs on my 09 370z.
The car was throwing a P0420 for catalyst efficiency, so I thought it was a good excuse to upgrade. My tuner suggested that he could put in the O2 defoulers to keep the codes away or he could "disable" the codes (P0420/430), which he did for my P0300 code and I have had no trouble with passing inspection. I told him to just do the codes as the defoulers seem to be a hit or miss. However, I am concerned that this will be different with P0420/430. My question is, will I pass inspection or is there something else I should do to make sure I am 100% before getting the car inspected. |
03-07-2024, 01:06 AM | #2 (permalink) |
Base Member
Join Date: Mar 2018
Location: Des Moines, Iowa
Posts: 167
Drives: 2014 370z Nismo
Rep Power: 7051 |
a little bit of steel wool in the defoulers works like a charm. I have some on my jeep.
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03-07-2024, 05:51 AM | #3 (permalink) |
A True Z Fanatic
Join Date: Mar 2011
Location: NJ
Posts: 2,402
Drives: slowly
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Some State emissions like NJ automatically fail you if you have an emissions sensor disabled. CT could be different though each state has their own rules. There is something called mini Cats that could resolve your issues without having to disable anything.
I used these and they have been working well. There may be other options available out there. O2 Simulator Mini Cat Cel Fix stainless steel Rear O2 sensor simulator.
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03-11-2024, 11:43 AM | #7 (permalink) |
Track Member
Join Date: Nov 2010
Location: West coast
Age: 41
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Its entirely possible with Uprev as well. This guy chose to disable them for convenience... when they SHOULD know that it will not pass emissions testing in their state. Pretty bad business practice IMO
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