At the advice of someone at a local auto parts shop, I poured a bottle of fuel injector cleaner into my gas tank. This happened around the same time that I had a brake job done and rotated my tires. ...
I'm in need of new tires and I saw some fuel efficient/low rolling resistance tires. Is there any disadvantage to this type of tire?
I have the front passenger side and rear driver side tires at 34 psi. The other two wheels are around 28. How much is this affecting the mileage on the car? It is a 2004 Cadillac SRX V8, and the ...