Secondary Air
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Joined: Sep 2016
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Secondary Air
Hi all,
New to the forum, been lurking for a while and found some useful info on my secondary air problem for my 2003 TT Quattro.
Engine light keeps coming on and the problem has been diagnosed as lack of vacuum pressure.
Secondary Air pump and combi valve have been replaced as they were both bust but still got the lack of vacuum and light coming on.
Apparently I'm only get 10psi of vacuum and 12 is required to open the combo valve.
Engine has been smoked for leaks and none found.
Anyone got any ideas?
Thanks
Adam
New to the forum, been lurking for a while and found some useful info on my secondary air problem for my 2003 TT Quattro.
Engine light keeps coming on and the problem has been diagnosed as lack of vacuum pressure.
Secondary Air pump and combi valve have been replaced as they were both bust but still got the lack of vacuum and light coming on.
Apparently I'm only get 10psi of vacuum and 12 is required to open the combo valve.
Engine has been smoked for leaks and none found.
Anyone got any ideas?
Thanks
Adam
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