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alfred_e954's Garage

2006 Pontiac Montana SV6 Base 4dr Ext WB FWD

Questions & Answers

A: gas mileage down 25%, dealer claims ethonal causes?

Same happen gas miles drop in the winter, and in the last month and half it has come back. so it maybe in the gas. I always use EXXon. now we are back to 48 to 49 miles per gallon.