any idea why the airbag light may be staying on? It's on a 98' a4 1.8

Do a search, I did and got my answer!

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2001 Audi A4 1.8T Quattro, Laser Red/Black, APR 91/93, APR Exhaust, H&R Springs and Coil Over Shocks, Window Tints, BBS Wheels, S4 Grill, S4 Steering Wheel, Combination Pillar Boost Gauge/Airbag, Xenon Headlights
2006 Porsche Boxster S, Guards Red/Beige
2008 BMW X5 4.8i, Black Sapphire/Saddle Brown
2002 Suzuki GSX600 Katana, Yellow

check for the connectors under the seats maybe they are lose or unplugged you might need to reset it with a vag com. thats what happen to mine and so far since i did that it hasn't come on

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99.5 A4 1.8T B5 Sport Suspension
***Stock right now but not for long***

Thanks, but no such luck for me. Upon doing some serious searches. It could also be the plugs in the steering column since my wife f*$cked with it by installing the S4 steering wheel. WHY? I have no clue. She did all the mods to her car herself...

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2001 Audi A4 1.8T Quattro, Laser Red/Black, APR 91/93, APR Exhaust, H&R Springs and Coil Over Shocks, Window Tints, BBS Wheels, S4 Grill, S4 Steering Wheel, Combination Pillar Boost Gauge/Airbag, Xenon Headlights
2006 Porsche Boxster S, Guards Red/Beige
2008 BMW X5 4.8i, Black Sapphire/Saddle Brown
2002 Suzuki GSX600 Katana, Yellow

You may not see the looseness in the connector - it only has to strain a tiny bit to open enough to trip the light. Use VagCom, scan the code, and see which bag it is. If it's a seat bag, zip-tie the connector TIGHT without damaging wires, and then turn off the light and see if it stays off.

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99 2.8QM

By the way, so long as we are on this topic, WHICH VagCom should I buy? Can you point me to a link?

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2001 Audi A4 1.8T Quattro, Laser Red/Black, APR 91/93, APR Exhaust, H&R Springs and Coil Over Shocks, Window Tints, BBS Wheels, S4 Grill, S4 Steering Wheel, Combination Pillar Boost Gauge/Airbag, Xenon Headlights
2006 Porsche Boxster S, Guards Red/Beige
2008 BMW X5 4.8i, Black Sapphire/Saddle Brown
2002 Suzuki GSX600 Katana, Yellow

You don't have to buy it - it's free on the web. Go to www.ross-tech.com and download from there. You'll have to buy the interface cable - it's available on eBay for about $20. That's all you need - get those two items and you're in business.

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99 2.8QM

Many thanks for sending me to the correct site. Now I remember the issue I had before. Sorry... I don't mean to be dense... So I go into ebay and buy what cable? And then the ross tech site has 11 things for me to download. How do I know what I'm supposed to buy? Many thanks in advance again...

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2001 Audi A4 1.8T Quattro, Laser Red/Black, APR 91/93, APR Exhaust, H&R Springs and Coil Over Shocks, Window Tints, BBS Wheels, S4 Grill, S4 Steering Wheel, Combination Pillar Boost Gauge/Airbag, Xenon Headlights
2006 Porsche Boxster S, Guards Red/Beige
2008 BMW X5 4.8i, Black Sapphire/Saddle Brown
2002 Suzuki GSX600 Katana, Yellow

Check with AF member Hiwords as to which version to get - he's more up on it than I am. As for the cable, if you search eBay for something along the lines of "Audi A4 vagcom cable" or something similar, they should come up. There was something Hiwords told me about as far as one that works very well and a different type that was giving some people trouble - he can clear that up for you better than I can - I don't want to tell you the wrong information

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99 2.8QM