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Finding Vaccum leaks/engine running rich 

 

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 Post subject: Finding Vaccum leaks/engine running rich
Posted: Tue Aug 02, 2005 12:20 pm 
Getting Side Ways
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I'm thinking of going through my whole engine bay before I put the
new intake on. I'm looking for vaccum leaks, are there any that wouldn't show up with the throttle body spray. Any clues or leads I can take guys?

Also, the ISC, if it's sticking or working too slowly, is there anything I can do to it while I have it off, besides the normal clean, should I lube the spring inside?

Can the valve on the brake booster be taken out and put back in, I have a new clamp on the hose, but it's hard to get that plastic valve out?
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Posted: Tue Aug 02, 2005 12:56 pm 
Getting Side Ways
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Vacuum gauge is an inexpensive tool yet very valuable for engine diagnosis... particularly for checking for the existence of vac leaks.

 

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Posted: Tue Aug 02, 2005 9:09 pm 
Smokin em up
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Spray brake clean, carby clean, or aerostart around any suspect hoses or gaskets. The idle will change if there is a leak.
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