A4 (B6 Platform) Discussion Discussion forum for the B6 Audi A4 produced from 2002-2005

City driving sucks. Down to a little over half a tank for all of ~120 miles.

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Old 12-13-2006, 04:28 AM
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Default City driving sucks. Down to a little over half a tank for all of ~120 miles.

The short 10-15 minute trips help as well. I have been driving a bit more spirited though lately.
Old 12-13-2006, 04:53 AM
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Default Since I've been using Cheveron, my mileage has actually increased a little.

If you remember when I was chasing down a misfire issue at idle, I switched to Cheveron with Tectron afterwards. The misfires decreased but my mileage increased to. I was getting like 16mpg and like 275 miles per tank (crappy!). Now I'm up to about 19.5mpg and I'm about to see how many miles I get over 300 in this tank. 325 should be about 19mpg. Not great but I do a lot of short trips and city driving too.

So I guess it was due to dirty injectors. This wknd I'm going to change the fuel filter and air filter as well. That combined with the plugs, vac lines, and CP's I've already changed, will be just about everything that could be suspect. Hopefully, these last two items will yeild more improvement.
Old 12-13-2006, 05:08 AM
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Default Winter blend gasoline be blamed for horrible gas mileage.

Like Shwndh said, use Chevron gasoline or atleast throw in a bottle of Chevron Techron fuel system cleaner.
Old 12-13-2006, 07:33 AM
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Default Yeah, I've been meaning to swap plugs. Perhaps a fuel filter and air filter swap isnt a bad idea...

either.
Old 12-13-2006, 07:38 AM
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Default I do Techtron now and then. Was planning to do it before oil changes but perhaps once in between...

would be good. I think its mostly the city driving though, because a lot of that milage is like stop and go or heavy traffic lights. I went to get a wash and the mail on Saturday and it took me about 45 minutes to travel about 10-12 miles.

The last road trip I did I think I was in the 25+ MPG range averaging close to 70 MPH. Car runs like a dream on the HW!
Old 12-13-2006, 07:53 AM
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I see. Yea, this car is a hwy cruiser. Too bad one of my rims is bent though
Old 12-13-2006, 02:36 PM
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I am going to put in a bottle of the Chevron with Techron at my next fill up.
Old 12-15-2006, 01:00 PM
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When I'm up at school I get about 160 miles on a tank with all city driving
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