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					Originally Posted by flmont  Ok .I will try that method  Sarter..I was just surprised it dropped that much in 60 miles..I thought I may have Injection issues  or the timing is off..or something  we shall find out  Thank's
 
 Thank's  !  Blue62
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Fill it up, zero the odometer and drive the thing for a couple hundred miles :-) when you fill up again, you divide the mileage between the gallons used..