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Audi A4 Maintenance and Repair



  • Thanks to wolfsport, shipo, and athornton. They are useful!
  • So, the check engine/fuel light came on and I took it to a mechanic who said the spray for the fuel injector/mass air sensor was clogged. He replaced with a used one and said I would need a new one sooner than later. I am wondering if this was a recalled part as I have heard of quite a few of these issues with the 2002 A4 models. The car is still chugging along currently, but I wanted to see if this was a dealer fix or if I can take it to any mechanic that specializes in foreign cars?
  • davida2davida2 Posts: 16
    Hey Audi people,
    I bought a 1999 Audi A4 Quattro about two years ago with 100k miles. Haven't had a problem with it until recently, the engine light came on. The codes read were transmission and some other stuff. Then the car started to stutter as if losing power. It is subtle at idle, but when I drive around 30-40 mph, it really shakes, then when I drive faster, it goes away.

    The mechanic turned off the check eng light, and told me to come back when it goes on again to get a true reading, but it has not come on yet. does anybody have a clue as to what may cause this. The car now has 125k miles on it.

    David :

  • was it the yellow light on the dashboard that looks like a fuel cap? Thats the same light that was on with mine and they said I needed to get the fuel injector/air mass flow replaced?
  • davida2davida2 Posts: 16
    It was the yellow light with the figure of an engine, I guess it looks like a fuel cap. Did you get it replaced and did it fix the problem? Cost?

    I am afraid with these cars, if there's problem with fuel or air, the Oxygen sensors will burn out and then there goes the catalytic convertor. Expensive.

  • I think that must be the same icon I got. I had the guy switch one in from another car, but he said it would need to be replaced. the light went off for about 4 days and now its on again. that only cost about 100 bucks, but to have the entire thing replaced, Im guessing will be a bit more.

    Sounds like I should have this looked at pretty quick as to not loost the Cat.

  • vicam01vicam01 Posts: 2
    I've been reading through many posts and don't figure I'll get AoA to help any but I figured I would share my recent incident and see if anybody has any new advice or information to share. Sorry this is kind of long...

    I purchased a 2003 Audi A4 4 months ago without doing hardly any research prior to purchasing the vehicle. I guess I just assumed that Audi's were good vehicles. Anyway, I did have the Audi dealership do a full inspection on the car and I got a full history report. Nothing major had happened to the car.

    Well, I ended up taking it on vacation and on our way home my husband was not able to accelerate when pushing the gas petal. A couple of seconds later the engine shut off. We managed to pull over on the side of the road. Stranded with no phone service someone finally pulled over. We had it towed to a local Budget Truck company and rolled it down a hill to get it on a trailer to tow it from N. Georgia to SW Florida.

    Upon having it checked at home, I was told the timing belt broke and caused the engine to blow. I spoke to the dealership and they told me to contact AoA, which I did. Then in turn they asked me to have it towed to the dealership to get a diagnostic. I had it towed tonight.

    I'm hoping for some good results but I don't have high hopes as it's just out of warranty. I purchased the car thinking I was buying something reliable since we have a baby on the way. :cry:

    Thanks for reading this and if anybody has any advice, I would greatly appreciate it.

  • conallconall West TexasPosts: 91
    I don't mean to sound cold,
    but this is a good example of why most mechanics will tell you to change the belt before 50k miles,
    even if the dealer recommends it at about 60k miles.
  • vicam01vicam01 Posts: 2
    I was told the recommended time for this timing belt to be changed is at 105,000 miles. And didn't even need to be concerned until 80,000. If my mechanic or the dealership would have said anything about 60,000, I would have changed it right away because I'm not one to take a chance.
  • patpat Posts: 10,421
    I wnet through the scheduled maintenance for an 03 Audi A4 listed here. Of course I don't know your trim level, engine or transmission so I was just guessing on them, but I did not find any mention of changing the timing belt until 120,000 miles.

    You might want to try it yourself using your real specs. It seems to me if your timing belt broke this far in advance of when they say change it, they need to do something to help you out.

    I found this link where you may be able to order an owners manual: Audi Service Publications. (I'm assuming you don't have one since you're not telling us what it says about the timing belt.) I'm sure there are other places too - eBay is always worth a try, for one. If you have the manual, you have a hard copy of their recommendation.
  • davida2davida2 Posts: 16
    So my mechanic told me to replace all the spark plug wires and one of the injectors. Seems to me it should be either/or, but I will take the wires as a tune up.

    I'll let you know how it turns out.

  • conallconall West TexasPosts: 91
    Sorry to hear that, vicam.
    Best wishes on getting your problem resoved. ;)

    The timing sprocket tooth on my Audi broke at between 50 & 60k miles, very soon after I bought it used. My mechanic said that this was because the sprocket was probably not seated properly when the belt had been replaced. So this is another thing to try and watch for during your car repairs.
  • I have a 2003 Audi A4 Cab and the transmission died at 36k miles! I serviced it faithfully too! I didn't get the extended warranty b/c I thought I would be fine b/c I had low mileage and had no intention of driving that much. Well now I'm not driving at all!!! Good luck and get the extended warranty!!!
  • davida2davida2 Posts: 16
    So yesterday, my mechanic replaced only the spark plug wires and wa lah, it's fixed. He told me that the valve cover is leaking oil on one side onto one of the spark plug wires. The oil had damaged the wire causing resistance and therefore misfiring. So i'm having him replace both valve covers and hopefully this will be behind me.

    Hope this helps everyone out there in the expensive AUDI land.

  • Hi:
    AS you may have gathered from the experience that we reported with our 2004 Audi A4 6-spd, our clutch failure occurred well within our standard warranty period, (25000 miles and less than 3 years), but Audi would not honor the warranty, so I suspect that purchasing the extended warranty would be money down the drain.
  • How can I get the information on the class action law suit? The same thing happened to my daughter who is leasing her car. She has been with out a car since May and her lease is up in Sept. They quoted her $8,000 for a new engine!
  • caps56caps56 Posts: 6
    Yes, we have. They FINALLY honored the warranty and admitted to the "sludge problem". It took five months. It takes standing up to them!!! Don't back down. Good luck
  • Does anyone used any good wax, spray, or any other kind of tool to keep their car clean and shiny!?
    BTW, how long does the car wax last?

    It will be great to share your info with people
    Thank You
  • davida2davida2 Posts: 16
    Does anyone know anything about sealed transmission service? My 99 audi has 125k (I about it at about 100k).

    all info is appreciated

  • colt2colt2 Posts: 1
    you can obtain a copy of the First Amended Complaint at
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