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S4 gas mileage???

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Old 01-13-2009, 01:25 AM
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Default Ya think? I'm not sure if its the software, or something mechanical...

But I have no codes... I can tell something is draining power from the belt driven parts...so I'll start there, and work toward the fueling department....
Old 01-13-2009, 06:31 AM
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getting 20mpg mixed between city and highway with a thule box on top.
Old 01-13-2009, 07:59 AM
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Default You're getting 18-24 mpg in town w/ stg 3?

i was talking 14-16 mpg in town....i get 21-23 on the highway. I'm pretty sure it has to do with the CEL lights i'm throwing. O2, MAF and Cat warm up. i'll see what comes of it after I change those things out.
Old 01-13-2009, 08:02 AM
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2nd
Old 01-13-2009, 08:02 AM
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Default Not worried about mpg as an expense....

just trying to figure out what's wrong w/ the car, or if that kind of mileage was normal in colder conditions. For city driving I get 18-19 mpg in the summer and 24-25 on the highway. In the winter 15-16 (city) and 20-22 (highway).

if i was worried about fuel economy i def be driving a honda.
Old 01-13-2009, 08:25 AM
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Default If your gas mileage is due to a minor/major problem....

with your S4 i think you'd probably care. at least i hope you would.
Old 01-15-2009, 06:55 AM
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interesting...did you custom tune your own?
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