[A4] 1.8T fuel consumption

[Zori and Richard Valasek]

I have a 98 A4 1.8T with K&N air filter, Borla exhaust, and front mount
intercooler (no chip) and average right around 30 miles per US gallon in
mixed city and highway driving using 92 octane.  I drive pretty easy.

Richard Valasek, Portland Oregon
98 1.8tqm
03 Passat 4 motion wagon V6
98 A6Q wagon.  For sal--65K, new timing belt, water pump, shocks, brakes
$16,000 obo

----- Original Message -----
From: "Joel Landsverk" <jlandsverk at jjkeller.com>
Sent: Monday, January 05, 2004 7:24 AM
Subject: Re: [A4] 1.8T fuel consumption


> Correct me if I'm wrong but you are using UK gallons, not US gallons,
> right?  So 28-29 Miles/UK gallon  =  24 Miles/US gallon.  1.2 US gallons
> = 1 UK gallon.
>
> That sounds a little low for easy driving, but not unheard of.  We get
> about 25-27 very consistently with 50-50 mixed driving (city-highway).
> Strictly highway may show 30mpg if we're lucky.
>
> Have you played around with different octanes?  We switched from 93
> octane to 89 octane and actually got better mileage (about 2 mpg).
>
> Otherwise, i'd say you're not far off.  If it's any consolation, I was
> disappointed with the consumption as well.  I think the culprit here is
> vehicle weight.  These little buggers are pretty heavy for such small
> cars.
>
> Joel
>
>
> >>> "Cooke, Shane" <CookeS at bsci.com> 1/5/2004 6:07:20 AM >>>
> Hello,
>
> Perhaps someone can help me out. I have just bought a '99 A4
> 1.8T
> and I am very happy with it in every way except one.... its fuel
> consumption. Over the last 4 tanks I have got only 28-29MPG and this
> was
> with very easy driving, no major town work and no excessive cold
> starts. I
> had expected more like 35+, the car does not drive, idle or run with
> anything that would indicate a problem and the last test showed the CO2
> and
> PPM to be very good.
>
> My question is:
>
> 1) Is this normal for the car? and if so why so bad for such a small
> engine?
> 2) Are there any common faults that could be giving me this?
>
>
> Thanks in advance,
> Shane
> Ireland.
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