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Replace Oxygen Sensor = Better MPG Local Or Highway ?? 700 1991

posted by  Lummer57 on  Fri Aug 27 06:20 CST 2010
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last visit: Thu Oct 28 03:22 CST 2010
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Thanx for reply. Checked oxygen sensor and it tests out ok. No vacuum leaks anywhere. I triple checked. Fuel pressure regulator(FPR)is less then a year old and fine. Visually the fuel injectors look fine - no sign of leaking. Guess thought that I should have a shoppe test this. Yesterday did about 100 miles of high speed highway driving. Did 21 MPG which is better then 16MPG I have been getting with local around town driving but still pretty bad I think. My deceased 1988 740 wagon with 212,000 miles got 19 local and 28 highway. I would think this sedan should do better or at least same.
--
' 91 740 sedan nearly 157,000 and ' 87 240DL auto nearly 135,000






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New Replace Oxygen Sensor = Better MPG Local Or Highway ?? [700]
posted by  Lummer57  on Wed Aug 25 08:59 CST 2010 >


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