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-   -   Boost and flutter issue! (http://www.perth-wrx.com/vb/mechanicals/39238-boost-flutter-issue.html)

Neil-e-o 25-12-2010 09:48 AM

Boost and flutter issue!
 
Seeking some words of wisdom in a potential problem.

Yesterday arvo I took off quite fast and as I changed through the gears noticed that boost would not push beyond 2 - 4 psi.
Opened the bonnet and had a quick look around and found nothing obvious wrong. ALso noticed I had lost the flutter sound.

Theres no smoke coming out of the car and its running well just not boosting. Turbo is only 3000km old (IHI VF34) and engine is newly built and tuned to 19 psi.

Any ideas as its gonna be a frustrating couple days waiting for my mechanic to be open for business :(

tuna 25-12-2010 09:50 AM

boost leak, check all the hoses and pipe clamps

Jordiee 25-12-2010 10:50 AM

whs^

Neil-e-o 25-12-2010 11:06 AM

Checked under the hood again. All hose clamps were fine and piping as well.
Found a loose hose running from under the manifold dangling near the top of the manifold. Found only other possible (visible) place it could of fit to was near the waste gate (a little connector had nothing attached).

Only problem was hose was about 50mm too short to have fitted there?

mARC 25-12-2010 11:12 AM

needs more clear pics of the situation ;)

Neil-e-o 25-12-2010 11:20 AM

That would be the easier thing to do :D ...suppose Ill get some up after todays festivities :D ...

Killer Python 25-12-2010 11:56 AM

i had a similar problem when i had a cracked spark plug or a vac leak

Neil-e-o 25-12-2010 12:08 PM

[QUOTE=Killer Python;522633]i had a similar problem when i had a cracked spark plug or a vac leak[/QUOTE]

Funny you should mention that....had that issue as well 2 weeks ago, although the car was actually missing alot. This time it runs fine....just no boost (and flutter).

Neil-e-o 26-12-2010 01:26 PM

Got under the car as I was too lazy (drunk) to do it yesterday and checked the pipes running from the fmic ....found one clamp loose and pipe was almost off. Could be the possible cause. Just took the car for a quick spin and boost is coming on, although Im still worried about the loose hose and connection with no hose attached. Will nag my mechanic tomorrow again (I think he hates the sight of me now as Im always there haha)

tuna 26-12-2010 03:36 PM

that will be it.

case closed!


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