Possible blow-back issue 2010 MS3?

special--k · May 22, 2010

Hey guys,

Just what to run this by everyone and see if anyone has noticed the samething. I just cleaned my car (White mazdaspeed 3 2010). And about 3-400KM after i started noticing some black spots showing up on the hatch. So after shooting the s*** with a buddy, he told me its probably blow-back caused by an inefficent PCV?

Has anyone else noticed the same?

Mzd_Spd_3 · May 22, 2010

I haven't seen a 2010 Speed 3 that didn't have the soot on the back.
Just seems to be running very rich stock.

XspeedyD · May 23, 2010

all ms3's have this, not just the 2010's. its a by product of direct injection and running wayyyy rich. get a solid wax on er and it slides right off with a wash.i had to clay bar the crap outa my car the first time i cleaned it before i waxed, was stuck on there real good.

Possible blow-back issue 2010 MS3?

special--k

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Mzd_Spd_3

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XspeedyD

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