What could be done to fix it.
There is no different engine noise or other problem, van is running great but, with high consuption.
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2004 Chevrolet Venture
Question: My venture 2004 has 133k miles and is having a high consuption (15mpg).
do you have any ck eng lite on? you may need to have it scanne to ck fuel trim,this could be several issues