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Old 04-25-2011, 10:31 PM   #1
ibbobud
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Join Date: May 2010
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90 Lumina 3.1 Euro - Gas mileage

I have been keeping extensive fuel usage records and figured you all would like to see some of the results.

Below is a chart of my gas mileage. 60% highway / 40% city

The bad mileage around 157k is due to stuck open egr valve.
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90 Lumina euro 3.1 - New fuel pump/filter, new ecm, new egr valve, new upper/lower intake gaskets, new alternator, new O2 sensor, and it keeps going....
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