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MOre of 'poor gas mileage,runs fine' 1 down, ?to go 700 1989

posted by  runwld2 on  Mon Mar 28 15:15 CST 2005
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last visit: Tue Sep 30 13:11 CST 2014
[RELATED]

Thanks for last Friday's responses. I did find one problem. After noticing a fuel odor, I found a small leak in the return hose where a wire loom covering a vacumm line wore through, over these last 16 years.
R&R hose and mileage is now 19.5mpg.
Still must be another problem. I was getting 23 back in January and I considered that poor.
I checked for air leaks in the intake hose, nothing there.
Will recheck O2 sensor and perform forcing ECU rich/lean as LUCID suggests.

All my manual tranny non turbo volvos have gotten about 25-27mpg. The autos get about 23-24. I usually drive around 70-75, not too much around town driving.
--
744 & 745 16v 4+OD, 245 SE auto, 242Ti 4+OD, 245DL auto parts car






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