Thread: Blue smoke on extended idle. 2006 4.8is.
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Old 05-09-2013, 04:26 PM
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bcredliner bcredliner is offline
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TerminatorX5,

Yes to all three of your questions. MAF is at the top of the list. I have never been successful cleaning the MAF, and I have tried each of the 4 times I ended up replacing it. Test of MAF is to disconnect it at idle and see if it goes away. If you need a MAF, google is as I recently got an email, can't remember source, that had Bosch on sale at $150. If it is throttle body associated you will likely hear a clicking noise. If not throwing ECU codes coil packs should be good.
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
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