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Sedans Audi A4 Audi A4 Maintenance and Repair
2120 messages, Last post on Nov 06, 2009 at 2:14 PM
You are in the Audi A4 Forum. Your Hosts are pat & karens
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Guys, 2005.5 A4 - 35k miles - 2.0 Turbo Quattro While on vacation this last week, I noticed the brake lights illuminating on the A4 as I walked out the door in the morning to take a ride. I found this severely odd - no light switches were turned on inside the vehicle and the car started, but barely. That day came and went without event. However, a few days later as I attempted to take another drive, the battery was completely dead. I had my pops jump it and it started. The following evening, the battery was completely dead again. Had my pops jump again and the following morning it was completely dead once again. So, I looked up the nearest Audi dealership in Wausau, Wisconsin and headed out for the nice 120 mile jaunt. Arrived mid-morning and explained the situation with the service manager. They couldn't find a problem after an hour messing around. I then let the manager know about the brakes lights being on that one morning. That was deal-sealer as the tech quickly found a faulty brake light switch. My first question is why in the hell does a faulty brake light switch not cause some type of fault code??? I really found it odd that something as drastic as a piece of faulty circuitry that completely disables an engine can go unnoticed by the computer??? Anyhow, maybe this will help anybody that goes thru something like this in the future. There was another thing I'd like some comments on. As I was talking with the service manager with the engine idling, he told me there is something wrong with my engine because it idles too loudly. I've never listened to an A4 engine, so I thought mine was normal. I was in a hurry that day to resume my vacation, so I told him I'd hold off until I return to Chicago, but he told me to definitely get it checked out because something's not right. Other than that, it runs good and I am getting around 34mpg's on my highway drives which is real good. Anybody have any concrete information on the engine that I can use before I make an appointment? I'm not sure a service manager would do much if I came in and said my engine was loud, ya know? Something specific would be appreciated. Thanks! |
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Replying to: KarenS (May 23, 2001 6:27 am)
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Replying to: robin25 (Jun 30, 2008 4:49 pm) Their website is They used to have an affiliation with Discover Credit Card, which you might be able to save another 20% if you use part of your 'Cashback Bonus' for a gift card or whatever. -hh |
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Replying to: amand (Jun 09, 2008 8:18 pm) |
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Hi, This is my first question,any input welcome.I have a 1993 Audi 100 Avant,and have a problem with the electric windows.when i first start the car the windows do not operate,then after about 5mins they work ok,thie same thing happens every time i start the car,it also stops me closing the windows via the door lock. Could the problem be the master switch? Thanks,Graham |
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Check Engine light stays on. What could be the problem?
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Replying to: pug3 (Jul 07, 2008 6:57 am) I'm aware that if the oxygen sensor goes bad for some reason, the check engine light comes on. At work this happens on the Malibu's in our fleet when the rodents chew on a wire when the car is parked in the lot overnight in the same space for a few days. For some reason, they go after the Malibu's and ignore the Stratus vehicles we have. |
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Replying to: richuk (Jun 03, 2008 7:15 pm) I had the same issue with my 06 A4 Avant. Traction light would come on an over-ride the engine. The dealer tried to fix the car several times but failed. Finally they said they placed an order for a new PC board that controlled the engine. They needed to get this direct from Audi in Germany and was made for my spacific vin number.... Worked like a charm. I have not had any issue since then. Good Luck... Michael |
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Replying to: 65tuxedopark (Dec 26, 2007 10:34 pm)
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Replying to: deepstar (Jul 09, 2008 12:12 am) They weren't joking about the "bad gas." Some brands have additives which will help prevent the very problem you describe. Brands such as Shell, Texaco, Chevron, and Conoco are good. Avoid Mobil/Exxon and BP. Google this issue about gas. It's not just Audis which are affected. There should have been information provided when you bought your car. With the other owner material was included a list of good gas brands. I already knew about it and have been careful about the gas we put in our other car--a Saab.
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