P2A00 Code after HFC install. Need some input

jockeus · 07-24-2017, 09:49 AM

Quote:

Originally Posted by gomer_110

Check for air leaks from the maf sensor all the way to the O2 sensors. A bad O2 sensor will often cause more than just the P2A00 code.

iirc most people that have had this problem generally found an un-metered air leak somewhere which once fixed resolved the problem. Do a search to find more info.

Ok, but I still don't get why the voltage difference switched banks when I switched sides on the o2 sensors? Could it be a leak in the O2 sensor threads, since they are bad?

Quote:

Originally Posted by SouthArk370Z

If the site's search isn't working well for you, go to any of the big web search engines and add "site:the370z.com" to your search string. Eg, P2A00 site:the370z.com

Thank you, I have been reading a couple other threads about this, I guess I was wondering if it could have to do with the postcat O2 sensor.

I will read up some more, and check for leaks. Thanks for your replies!

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