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Vaccum leak

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Old Dec 17, 2010 | 06:27 PM
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cleaningbug94
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Vaccum leak

Are expedition i was putting on a kn filter and the one plastic line that runs from the intake down to the valve cover is broken in half where can i get a new one and how muchit cost and i hooked up the MAF sensor but the other sensor i dnt know what it is but can that cause a check engine light prob cause my lights on.
 

Last edited by cleaningbug94; Dec 17, 2010 at 06:29 PM. Reason: not complete
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Old Dec 18, 2010 | 08:17 AM
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A large enough vacuum leak will often cause the CEL to come on due to a lean condition.
 
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Old Dec 19, 2010 | 08:33 PM
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Where can i buy a new one because it is starting to bug me can it cause anything to go wrong
 
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Old Dec 19, 2010 | 09:01 PM
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Honestly, the best thing you can do for the truck is leave the factory airbox on it. There is no advantage to the K&N and I could make a list of disadvantages.

The cheapest way to replace the hose is from a junkyard, otherwise it is probably a dealer part.
 
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Old Dec 19, 2010 | 09:11 PM
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Just pick up a piece of hose with the same inside diameter as the outside of the broken vacuum line and use that. Cheap and easy.
 
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