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For evryone whos gas idles rough 

 

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 Post subject: For evryone whos gas idles rough
Posted: Thu Feb 15, 2007 8:33 pm 
Getting Side Ways
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Age: 29

Posts: 486

Joined: 23rd Sep 2005

Ride: EB S1 3.9L Bush basher

Location: Perth
WA, Australia

I talked to a mechanic today and he said to test for a vacuum leak, which can cause gas to run rough, run the car and spray carby cleaner or aerostart around the inlet manifold and if the revs pick up the a vacuum hose is suckin it in and from this you can find you vacuum leak. I guess just spray it closer to areas that might be leaking until you spray it over the right spot (revs up) then that is the exact location. Haven't tried it yet, but will soon. BTW he is a gas installer and this is the way he does it.

 

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Posted: Thu Feb 15, 2007 8:40 pm 
Getting Side Ways
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Age: 38

Posts: 520

Joined: 23rd Dec 2005

Ride: EF Futura Wagon

Location: Toowoomba
QLD, Australia

Yep, that is they way everyone checks for a vacuum leak. You can use any spray such as degreaser, oil, etc. Revs will drop if the spray doesn't burn and rise if it does burn. Either way you are just looking for any change in revs.

cheers
Scott

 

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