A4 (B6 Platform) Discussion Discussion forum for the B6 Audi A4 produced from 2002-2005

Flashing MIL light, rough idle and running rough....

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Old 03-14-2007, 06:50 PM
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Default Flashing MIL light, rough idle and running rough....

Im pretty sure it is misfiring, maybe dead ignition coil, just hoping it is nothing worse. Audi dealer wants to charge $115 to diagnose any ideas?
Old 03-14-2007, 06:57 PM
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Default Get one of these....

<center><img src="http://www.ross-tech.com/UwesStoreConcept/key-usb-med.jpg"></center><p>
then get the DTC codes.

That way all "guess-work" is removed.

Use it twice($115x2) and its more than paid for! ;O)<ul><li><a href="http://www.ross-tech.com">http://www.ross-tech.com</a</li></ul>
Old 03-14-2007, 07:57 PM
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It's a failed coilpack.
Old 03-14-2007, 08:23 PM
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yeah......take that money and go buy a couple of spare coil packs to keep in the trunk
Old 03-15-2007, 08:28 AM
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more than likely.
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