Question about Cars & Trucks
Black engine oil is a sign of old oil...drain and fill including oil filter, and check again...depending on driving habits...change every 3,000 (4 months) for city driving...every 7500 for city/highway or every 4 months...your oil is the "lifeblood" of your motor...also check/change the PCV valve for proper air filtering to your oil...Hope this helps.
Posted on Apr 06, 2015
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Posted on Jan 02, 2017
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