Having problems with your 2009 Buick Enclave ?
Losing gas mileage - 2009 Buick Enclave
Are you going by the computer read out in the car or do you calculate it yourself.If you start your car and let it warm up so it is warm when you get in it, the computer in the car will show loss of miles per gallon.
Repair Help & Product Troubleshooting for 2009 Buick Enclave
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.