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Very poor fuel economy! Help!

posted by  Rege on  Sat Dec 9 11:01 CST 2006
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Help!

I have a 1990 760 turbo sedan 135K... I get 15 MPG under all driving conditions. Until recently my fuel mileage ranged from about 20 MPG in town and 27 on the highway. I have new plugs, cap & rotor, air filter, etc. have cleaned throttle body, put in new vacuum lines. It starts maybe a little slow and has a little rich fuel smell (sometimes), and a little hesitation, but not bad enough, in my opinion for such poor fuel economy.

Can anyone give me some advice on where to start looking for this problem?

Thanks in advance






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