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pam7385's Garage


1999 Chevrolet Tahoe Base 2dr 4WD



Questions & Answers

A: Gas Mileage?

Thank you Richard, I will check into it.

Mechanic Q: Gas Mileage?

I am averaging 8-9 miles to the gallon in town, and 21 miles on the Highway. Based on the information about my 03 deville, I am supposed to be averaging 18 in town and 27 on the highway. I have fresh oil and a new oil and air filter and use regular gasalione . What seems to be the cause for such low mpg and what can be done to fix it?