Nissan 370Z Forum - View Single Post

SnooPPP · 10-06-2012, 12:08 AM

I've had my car uprev tuned for a couple months now. I've gotten it done through Z Car Garage. I have ARK HFC, and full exhaust. I just recently got the Service Engine Soon light to show up. I checked the code and its P0420, which usually has something to do with the exhausts/cats.

Is it still possible to get a CEL with an uprev tune concerning HFCs or could it be something else causing the CEL? Should I take my car to the dealer to check it out? I live in California so I'm afraid they'd say something dumb about me modifying the cats. Unfortunately Z Car Garage is too far away for me to just go to have them look.

10-06-2012, 12:08 AM	#1 (permalink)
SnooPPP Base Member Join Date: Feb 2011 Location: Sacramento Posts: 158 Drives: 09 370z Touring Rep Power: 14	Uprev tuned, but still CEL I've had my car uprev tuned for a couple months now. I've gotten it done through Z Car Garage. I have ARK HFC, and full exhaust. I just recently got the Service Engine Soon light to show up. I checked the code and its P0420, which usually has something to do with the exhausts/cats. Is it still possible to get a CEL with an uprev tune concerning HFCs or could it be something else causing the CEL? Should I take my car to the dealer to check it out? I live in California so I'm afraid they'd say something dumb about me modifying the cats. Unfortunately Z Car Garage is too far away for me to just go to have them look. Last edited by SnooPPP; 10-06-2012 at 12:58 AM.