i put gunk motor flush in oil can this cause it to turn gray
Sep 28, 2009 at 6:13 PM
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JACOBANDNICKOLAS
CAR REPAIR CONTRIBUTOR
110,190 POSTS
It could cause this. I believe you should run the engine for a short amount of time and then change the oil and filter. Is that what the directions said andhave you done that?
Oct 4, 2009 at 12:16 AM
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