Question about 1997 Audi A6

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I have a 1997 audi A6 Quantro and my auto check system light came on which is yellow and according to my manual I can continue to drive my car but should get it checked ASAP and I was just wondering was this a minor or major problem

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  • Jeremy Dellow
    Jeremy Dellow May 11, 2010

    It depends on what the code(s) are indicating. A check light can be tripped for minor things or major things. Go to AutoZone - they'll scan it for free and give you the codes. Post them here as a reply and I'll get you on the right path.


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SOURCE: 2005 Audi 1.8 a4 check engine light on and car now spudders??

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Posted on Jan 03, 2009

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Do a three-part Seafoam treatment to see if it helps. You can buy Seafoam at a parts store or in the auto section of walmart. Get two cans.

Pour one entire can into the gas tank. This will clean the tank, lines, filter, injector pintles, etc.

With the other can, pour half into the oil, drive 60 miles or so, and change the oil and filter. This will remove oil sludge, varnishes, and deposits.

Remove the vacuum line from the vacuum pump on the back of the engine (or any other vacuum line into the engine), start the car, and with someone holding about 2000 RPM on the engine, allow the engine to **** up the last half can of Seafoam. It will stumble and run rough. Let it run for about 10 seconds after the Seafoam is sucked up. Then shut it down for 10-15 minutes so the Seafoam can go to work breaking down the carbon deposits in the engine's vacuum system. Then restart the car, let it idle for a couple minutes, then rev it several times to 4-5000 RPM. You should be seeing a LOT of smoke out the back of the car. Let it idle again and rev it up every couple minutes. Do this until you're not seeing much or any smoke. A little bit the next time you drive is fine - it'll finish burning off.

I've done this on many cars (most of them Audis) and it's made nice differences in smoothness, economy, and a little power even.

Also, make sure your other fluids are topped off, your air filter is clear and clean, the tires are inflated properly, and that you have no stored codes in the computer (stop at AutoZone and ask them to scan the ECU for codes - some latent codes won't trip a check-engine light but can alter the car's performance).

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SOURCE: Alarm oil sensor in my Audi A6 1,9 tdi -2000.

sounds like a faulty oil level sensor i,v replaced them in the past you need to get it checked first because the sensors aren,t cheap

Posted on Aug 02, 2009

  • 28 Answers

SOURCE: when the service insp light flashes and the yellow

When that light flashes that is a signal to get the car into a repair shop immediately. The flashing means the catalic converter is in jeopardy of being damaged probably by unburned fuel entering it and being burned in it, making it operate much hotter than normal. Get it to a shop !!

Posted on Oct 06, 2009

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