A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

MPG going down

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Old Jan 29, 2009 | 01:17 PM
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Default MPG going down

O2 sensors are fine, just got my wheel bearing replaced, good with tie rods, alignment, tire rotation....done. Everything is good. I reset my overall MPG every month and it has been going down for 5 months now...from 18.8 to 17.2, gradual decline. Explanation anyone??? I give it love, but I feel like I'm being denied sometimes...
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Old Jan 29, 2009 | 02:04 PM
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Winter Fuel
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Old Jan 29, 2009 | 02:11 PM
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Default ??

So...I need winter fuel or I've been using winter fuel? How do I get winter fuel? I might need Spring fuel soon..
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Old Jan 29, 2009 | 02:13 PM
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Default Haha, no. The mixture you are buying (without knowledge or choice) is winter fuel. Not sure of the

specifics but a slightly different blend, additives etc.

You get whatever type it is, no option sorry.
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Old Jan 29, 2009 | 02:16 PM
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Default Oh,

Well that's kinda lame. I only use premium, would it be bad to use higher octane on stock 2.8L??
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Old Jan 29, 2009 | 02:19 PM
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What are you running? Where are you located? Whens the last time you changed your air filter?
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Old Jan 29, 2009 | 02:21 PM
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Default Re: What are you running? Where are you located? Whens the last time you changed your air filter?

Seattle...its around 40 to 50 degrees, just had it changed a month ago. What am I running??
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Old Jan 29, 2009 | 02:22 PM
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Default Octane?

Reply in the Subject line.
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Old Jan 29, 2009 | 02:23 PM
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Default Re: Octane?

92 pretty sure
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Old Jan 29, 2009 | 02:24 PM
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Default West coast... probably 91. Reply in Subject line

When is the last time you changed the plugs?

Reply in the Subject line.
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