P0491 P0492 Porsche Cayenne Secondary Air – Diagnostic Help

If you have trouble code P0491 and/or P0492 this video will help you narrow down the source of your problem. This is common in Porsche Cayenne’s so most owners should expect to encounter this repair and budget accordingly. If you have questions feel free to reach out in the comment section below, I always can share my opinion on your P0491 P0492 Porsche Cayenne diagnostics, thanks.