Quote:
Originally Posted by Impureclient
The extra gas cost is about $20 every 1000 miles you are going from the 28 to 22 mpg. If you wait the 7K oil change interval, that is $140 extra in gas spent.
I would drain the oil and either watch them put the correct weight oil in or do it yourself.
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Could it be the gas station pump is out of calibration?