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piper6909 · 03-19-2019, 07:37 AM

Hi. My 2002 2.7 blows a little blue smoke at startup. I blows water vapor as well, but I'm pretty sure there's some blue smoke there.

Is it time to change the AOS? It has 90k miles and I don't know the maintenance history. Or could it be something more serious?

Thanks!

03-19-2019, 07:37 AM	#1
piper6909 Registered User Join Date: Jan 2019 Location: PA Posts: 1,531	AOS or something worse? Hi. My 2002 2.7 blows a little blue smoke at startup. I blows water vapor as well, but I'm pretty sure there's some blue smoke there. Is it time to change the AOS? It has 90k miles and I don't know the maintenance history. Or could it be something more serious? Thanks!