Thread: Burning oil odor from vents on all ZL1's? The GM District Manager says it's normal
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Old 01-03-2015, 12:08 AM   #80
hairtrigger
 
Drives: 69 Chevelle SS396 2013 ZL1
Join Date: Mar 2010
Location: West
Posts: 700
I think it also was mentioned on here that a faulty PCV valve or something in PCV system was to blame on one car.
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