CEC
Exhausted
- Joined
- Dec 29, 2010
- Messages
- 6
- Reaction score
- 0
- Points
- 1
- Location
- Clitheroe, Lancashire
- Website
- www.clitheroeexhaustcentre.co.uk
3.0 v6 fault code P0491 & P0492 help
- Thread starter CEC
- Start date
P0491 16875 Secondary Air Injection System Insufficient Flow Bank 1
P0492 16876 Secondary Air Injection System Insufficient Flow Bank 2
Would indicate possible problems with Secondary Air Injection (AIR) pump relay -J299-
and/or
Secondary Air Injection (AIR) solenoid valve -N112-
and/or
Secondary Air system seal
PM me your email address and can send you a pdf on testing these aspects.
P0492 16876 Secondary Air Injection System Insufficient Flow Bank 2
Would indicate possible problems with Secondary Air Injection (AIR) pump relay -J299-
and/or
Secondary Air Injection (AIR) solenoid valve -N112-
and/or
Secondary Air system seal
PM me your email address and can send you a pdf on testing these aspects.
I have the same problem on my audi q5 3.2 year 2010. i have changed all valves, pump and tubes. after changing i still get the same faultcode. what could it be?
