Motor Oil Consumption

Joined
Jul 18, 2009
Messages
1
Location
Ohio
I have a 2004 Buick Lesabre Limited with the V3800 Engine, 42,000 Miles.I change the Oil every 3,000-4,000 miles and use 5/30 syn. Oil. The car shows no signs of an Oil Leak or Oil burning yet I am using 1 1/2 quarts of Oil every 1,500 miles. Any ideas on why?
 
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