Hi, I drive an A6 Quattro (Tiptronic) 2.8 - 2000 model and a little while ago the petrol gauge starting showing incorrect mileage reading. Just to make an example, I'd put in R200.00 worth of petrol today but by morning it will be reading 10kms on the display.
What I would like to know is, is this not telling my car it has no petrol and if so, would this lead to the car stopping in response to this.
How can I fix this problem and what would the cost implications be?
I had same problem with petrol gauge bouncing around all over the place, full tank, half a tank and nearly empty in the space of 10 miles.
I knew that if I filled the tank I would get approx 200 miles for half a tank so I did that for a while and just kept topping up. Audi testing it and the fuel sensors in the tank had to be replaced. I'm afraid its the only permanent solution!
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Google it - Check this LINK. If your horn or other steering wheel controls do not work, it's likely the clockspring - the device that transmits the inputs from the steering wheel into the wiring harness under the dash. Pray it's not, otherwise your Audi tech will be buying himself a new S4.
My 2005 A4 3.0 convertible audi is not a diesel, but I had a similar experience with a low oil signal going on and after checking the oil, which was sufficient, and replacing the dipstick, the light did not come back on until a subsequent trip. The light usualIy went on when I was close to the needing an oil change. I've had the car, a used one, for about two years, and the oil light minimum signal started behaving like yours early. About a week ago the oil pressure warning light came on. I don't know if there's a relationship, but if there is be careful. Audis of our vintage have a problem with sludge build up that damages the oil pump, which is a costly item. If you drive the car with low oil pressure you may seriously/fatally damage the car. I don't know if the sludge, if that's what you have, can be cleaned out, but I'd do it if it can be. My mechanic advised me to trade the car to a dealer rather than fix it. Hope you have better luck!
This is a manual transmission? If so the clutch probably needs to be replaced. When you say "VIOLENTLY" what is going on, what is the road speed, what are the RPMs at? The more specific information the better. And this problem ONLY occurs between gear changes, right? The other times, everything is normal?
try autozone.com to see if they have your car listed for diagrams pictures and step by step instructions if your car is not listed then try your local library they have all the car manuals and even copy them for you
It's the brake pedal switch. There is a switch down on the pedal arm that closes when you press the pedal down, and sends a sensing voltage to the controller, telling it the brakes are applied. This allows the transmission lock to disengage so you can shift out of Park. When that switch fails, the lock won't disengage. You need to replace that switch and you'll be fixed.