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sound of air leaking

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Old Oct 17, 2005 | 10:24 AM
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2002CobraKiller's Avatar
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Default sound of air leaking

For around 3 weeks my ses light has been coming on, i got the code read and its running lean, now 2 nights ago i got out my car to open the garage and i hear a hissing noise coming from under the hood, sounds like air leaking and now every time the car is running i hear this noise. Could there be a small hole on one of the hoses in my air system or what else could this be? Also is it safe to drive this way because this is my daily driver?
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Old Oct 17, 2005 | 12:50 PM
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If it's that audible then a piece of cardboard tube,
vacuum hose, etc. used as a stethoscope should
be able to pinpoint it.

Offhand I'd suspect the PCV hoses, to affect mixture
you have to be past the MAF. Have you been messing
around the throttle body area, any?
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Old Oct 17, 2005 | 01:10 PM
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nope i havent touched anything it just started out of no where. could this leak be causing me to run lean?
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Old Oct 17, 2005 | 02:20 PM
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yep if the leak is past the maf it will cause you to go lean
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Old Oct 17, 2005 | 11:13 PM
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is it safe to drive for a couple of days like this till i get a chance to really look at it?????
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Old Oct 18, 2005 | 10:02 AM
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jimmyblue could you please elaborate a little on how to make this stethoscope.

-Mike
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Old Oct 18, 2005 | 11:25 AM
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i had a hole in the hose that goes to pcv vale on the pass. side. check that one and see if it's it.
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