2005 Ford Mustang vacuum leak

2005 FORD MUSTANG
35,000 MILES • 6 CYL • FWD • AUTOMATIC
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RAMAN6923
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the check engine light came on, after checking I could distinctly hear a hissing noise. I'm told that is the sound of a vacuum leak. I need to know how to find it first, any directions on this would be very helpful. Thank you!
Nov 29, 2008 at 11:39 AM
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RASMATAZ
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Something caused that CEL to come on-could lead you to the problem if you scan the computer for OBD2 code/s. To check vacuum leak-use WD-40 and spray between the intake manifold and engine block-throttle body,look around for a disconnected hose and a leaking one-inspect the hose that goes to the brake power booster-when you hit the leak the idle will smooth out-
Nov 29, 2008 at 12:10 PM
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RAMAN6923
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Thanks!
Nov 29, 2008 at 3:45 PM
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