Nissan 370Z Forum - View Single Post - Engine codes P0420 and P0430 on stock car

Aizen Sosuke · 03-13-2015, 04:48 PM

The Z has gotten 90k miles now and it just started throwing the codes. Mind you this car is bone stock. I have reset the codes twice already after scanning to confirm and they come back in 4-5 days. Could the stock cats really have reached the end of their lifespan already?

03-13-2015, 04:48 PM	#1 (permalink)
Aizen Sosuke Base Member Join Date: Aug 2011 Location: Miami Age: 40 Posts: 189 Drives: 09 370Z Sport Rep Power: 13	Engine codes P0420 and P0430 on stock car The Z has gotten 90k miles now and it just started throwing the codes. Mind you this car is bone stock. I have reset the codes twice already after scanning to confirm and they come back in 4-5 days. Could the stock cats really have reached the end of their lifespan already?