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Fuel mileage help

1327 Views 12 Replies 8 Participants Last post by  Bills86e
I didn't really think about it too much till the other day when I posted about my fuel mileage. Heres my issue. Today driving into work I averaged 35.3mpg with no a/c on. When I turn on my a/c I get about 18mpg. Is this normal? I just contributed it to being a 4cyl. Also with no a/c on the car runs between 198-202 degrees. With the a/c on it runs from 207-215 degrees. Any thoughts?
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I notice no real difference with or without a/c. Current tank, and I am driving a little easier to see what it will do, is 27.8 in town. Over 30 highway. A/ makes no difference. Sounds like you have a compressor problem. Mine still runs at 199-201 in Phoenix. Hot and humid today, 105 degrees. My a/c temp stays the same driving or stopped at LOOONG lights in Phoenix.
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