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how to find vacuum leak?

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Old 10-08-2010, 08:24 PM
  #1  
marlyman
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Default how to find vacuum leak?

any ideas? im told i got a vacuum leak cuz my throttle like sticks on an it has nothing to do with throttle cable or return spring no leaks on the throttle body an cleand out iac an tps with seafoam an nuthing an i was looking at the small plastic tubes by firewall on passenger side dunno wat there calld but they're all intact an plugd in correctly so duno...any ideas ?
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Old 10-08-2010, 08:51 PM
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Bubba 95SN
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Unplug vacum lines at source and block off. drop in rpm then plug back in use propane torch,unlit, when at source of leak rpm will change. Can use ether-carb cleaner
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Old 10-08-2010, 09:07 PM
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flamin87
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use starting fluid, it works better!
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