Po492 h c

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May 31, 2022 | 10:21 PM

ztheusa

Thread Starter

Safety Car

Joined: Sep 2000

Posts: 3,570

Likes: 420

From: Taildragers rule! USA1

Po492 h c

I have this code and a check engine light. 2004 Auto Roadster

I have an extensive list of what the codes mean......but PO492 H C.........is not on the list

?????

May 31, 2022 | 10:28 PM

gimp

Drifting

Joined: Jul 2015

Posts: 1,844

Likes: 375

From: San Jose, CA

http://www.stengel.net/diccodes.htm

https://www.corvetteforum.com/forums...s-from-gm.html

I don't see P0492 either. "H" means historical, "C" means current. Why don't you do us a favor and take a photo of your DIC showing that specific code so we know we're not chasing the wrong thing?

Google does say P0492 exists, and it's "Secondary Air Injection System Insufficient Flow Bank 2". Something is odd - either this didn't end up on the 'master' lists of C5 codes by mistake, or something else is going on.

Jun 1, 2022 | 12:11 AM

ztheusa

Thread Starter

Safety Car

Joined: Sep 2000

Posts: 3,570

Likes: 420

From: Taildragers rule! USA1

Yes.....someone on the C5 Facebook forum came up with the solution.

https://www.corvetteforum.com/forums...6JknSAI26LW2lE

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