2002 Passat P0491 & P0492?

Question

Pulled these two DTC codes (vehicle has a lit MIL light), but can't find anything that tells me what they are about - any ideas?

Answer 1

Hi there,

These codes indicate an issue with the secondary air injection on bank 1 and 2. Here is some info for you.

P0492 VOLKSWAGEN - Secondary Air Injection System Insufficient Flow Bank 2

Read more: https://www.autocodes.com/p0492_volkswagen.html