Question about 2004 Toyota Matrix

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2004 Matrix - Two-stroke smell coming from engine compartment

Strong two-stroke mixture smell coming from engine compartment, through vents into cab of car as well. No leaks whatsoever. Car runs perfect but the smell concerns me. It began immediately after taking the car to Oil Can Henry's. They have since done a complete inspection for leaks or spills and couldn't find anything. The following has been done recently before a 2k road trip a couple weeks ago: Oil change, air filter and cab filter change, swapped out spark plugs (reinspected plugs to make sure there were no cracks etc. Plugs were replaced with Bosch Platinum 4 prong. Any ideas?

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  • scubagirl Oct 13, 2008

    It had nothing to do with any of the above. The parts store gave me the wrong spark plugs! I swapped them out with the correct plugs and haven't smelled it since. Even the Toyota dealership couldn't figure it out so don't feel bad :-)



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I would have the A/C unit checked out, the belt checked out, check your transmission fluid. And make sure the cabin filter in installed correctly

Posted on Oct 13, 2008

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