carrots 1 Posted February 6, 2017 Can vacuum pipes on wrong way around stop a mfa from working.it doesn't do anything when I press the button Quote Share this post Link to post Share on other sites
MZpog 10 Posted February 6, 2017 I would have thought the vacuum pipe could be fitted either way unless there was a 1 way valve. Quote Share this post Link to post Share on other sites
carrots 1 Posted February 6, 2017 must of done something when i changed fuse box then Quote Share this post Link to post Share on other sites