Senior TN Member
Join Date: Mar 2010
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Thanks everyone for helping me!
I understand the premium gas may not help my car in any way, but my mom wants me to put it in. She pays for the gas though. She said if I use other grades of gas and there is something wrong relating to the engine, I have to be responsible for everything. Well, it's her money, so if I don't do it, I will end up paying more than the amount I actually save. I only drive about 12,000 miles per year, so I don't think I'm going to save much.
The reason I mentioned about the type of gas I'm using is that I heard Chevron and Shell add cleaning additives in their premium gas, so I would like to know whether my car really needs the fuel injector service (or whether gas companies actually add additives in their premium gas as someone mentioned above). I will be on a long trip, so I expect my car to be in the best condition. My car is running great now, I think. How do I know if my car needs a fuel injector service?
For the mileage, honestly I'm getting about 24-25 mpg. My daily commute (20 miles each way) contains 70% of freeway, but traffic is REALLY bad. Also, there are a lot of mountains and hills here, so to keep up with the flow of traffic, I need to keep the engine around 2,500 rpm to go up the hills. I tried driving on flat freeways, and the mileage was about 31-32 mpg.