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Re: How have you fixed code P1181? 2004 Aero. Posted by SWEDECAR [Email] ![]() ![]() ![]() In Reply to: How have you fixed code P1181? 2004 Aero., JordanNS, Mon, 23 Nov 2009 17:35:29 Members do not see ads below this line. - Help Keep This Site Online - Signup |
This is one of these wishy/washy codes that does not have one easy answer (replace that part).
You would have to look over the engine area and search for vacuum leaks first of all.
So you need to know where the different vacuum hoses goes and if you hear any hissing noises that shouldn't be there.
I use a smoke machine that I hook up to turbo air intake pipe to push smoke through the entire engine. That makes small and big vacuum leaks show up pretty quickly.
Any well organized shop will have a smoke machine by now since all car brands have similar problems.
Anders
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