[s-cars] Fuel mileage questions

[chris chambers]

Jason,

Your mileage sounds low, I average 22+ mpg with my RS2 mods.
Check and consider replacing your Air filter, Fuel filter and O2
sensor.

A bad O2 sensor can easily cause increased fuel consumption, this also
normally include some amount of black smoke.

Also I have read that a thermostat that has failed and is stuck open
will keep the engine from warming up and can caue an increase in fuel
consumption. Does your engine warm up fully?


HTH
Chris



--- Jason Butler <jwbutler at wispertel.net> wrote:
> I have owned my 93 S4 for 3 months now and am wondering what kind of
> fuel 
> mileage is normal.  I have been getting around 18 mpg which includes
> quite 
> a bit of city driving and about 40 miles a day of highway driving. 
> With 
> gas prices going up so much here in Denver I would like to maximize
> my 
> mileage.  the S4 is completely stock with 180K miles on it.  Any
> thoughts 
> on what will maximize mileage?  I don't drive it too hard because I
> know 
> when you get into high boost it sucks gas.
> 
> Thanks
> Jason
> 93 S4
> 91 90 Quattro 20v
> 90 Coupe Quattro (parting out)
> 86 5ktq
> 
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