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Old 04-30-2005, 02:07 AM
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Join Date: May 2001
Posts: 301
Poor gas mileage S320

I am only getting an average of 15.6 MPG in mixed hwy/city driving. The air is set to mid 70's and I don't drive with an especially heavy foot. Is there anything other than the usual suspects ie; tire pressure, hot rodding, etc. that I should look at?

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Old 04-30-2005, 09:01 AM
Ta ra ra boom de ay
Join Date: Jun 2004
Location: Pittsburgh
Posts: 1,915
Could be your oxygen sensor... Does your exaust seem overly rich?


1986 300E 220,000 miles+ transmission impossible
(Now waiting under a bridge in order to become one)

Reading your M103 duty cycle:
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