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  1. 2004-2009 Mazda3 Discussion
    Hi! I've been battling a "hydrocarbon" fumes smell problem for months. It smells like a mixture of crankcase blow by or exhaust. It feels slightly irritating to my throat when I breath it in. This happens when the engine load is high. e.g. Hard acceleration or driving on sustained inclined...
  2. 2010-13 Mazdaspeed 3 Engine and Performance
    Well guys I was just about to order the jbr sri with tip when the dealer also offer me corksport which they sell in there parts department. I started doing again my research homework differences between both: Jbr: maf adapter made of 6061 aircraft aluminum(don't know if it has air straightners...
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