Date: Sun, 24 Dec 2006 08:09:26 -0000
From: "DervMan" <>
Subject: Re: 9-3 fuel consumption problem after 96k km service

"Jay" <> wrote in message > Hello, I just had the 96 000 km service on my 2002 9-3 (5 doors). They > change all the oils, filters and spark plugs on the car. Also I have > changed the battery because it was dying on me. > > Before the service I was averaging 7.5 l / 100 km on the highways and > 10 l / 100 km in the city. I do a bit more highway then city roads like > 60/40. With a full tank I was able to do 550 - 650 km ... 700km if I > was lucky > > Since the service, my fuel consumption way up. I'm averaging 10 l / > 100km on higheways and 14 l / 100 km in the city and went from 550 - > 650 km to 400 - 500km with a full tank. I didn't change my driving > habits. > > I'm not a mechanics but I was wondering if the ECU will adjust the > fuel consumption by it self. Do I need to get it programmed? By > replacing the battery have I unprogram something. > > Any help would be appreciated. Well, yes it will, but not to the degree you've experienced. Have you checked the tyre pressures or for a binding brake? Often it's the simpler things that cause such a large change in fuel consumption. -- The DervMan "Faccia come dico non come, guidi il diesel di Volkswagen."

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