vacuum test

2007 TOYOTA COROLLA
77,000 MILES • 4 CYL • FWD • MANUAL
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FAHDASLAM
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  • 27 POSTS
Engine vacuum test is similar to testing vacuum leak in intake manifold? can it tell about the vacuum leak in intake manifold?
Jul 22, 2011 at 3:48 PM
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MHPAUTOS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 31,937 POSTS
Yes it will show a leak in the manifold, but it will not physically locate it, you can listen with a hose for a hiss, or brush a little fuel around (be very careful doing this) and listen for a rev pick up as it draws in the fuel.
Jul 23, 2011 at 5:33 AM
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