Audi A6 problem?

2006 AUDI QUATTRO
68,000 MILES • 6 CYL • AWD • AUTOMATIC
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MICHELEBOONE
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what would make my A6 quottro Audi traction light/and engine light come on? It also smelled like lawn mower gas smell from the exhaust.and it's smoking from the exhaust with white smoke.
Nov 28, 2010 at 1:45 AM
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BMRFIXIT
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An emission sensor failure
would turn the check engine light and traction light on
1st step should to check for code s
Codes should pin point to the troubled area
Nov 28, 2010 at 1:58 AM
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MICHELEBOONE
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what if it does not start? Could it be bad gas?
Nov 28, 2010 at 2:09 AM
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BMRFIXIT
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If no start ,check for fuel pressure and you can extract a fuel sample and test (bad fuel will cause a no start or running bad ,condition )
check for spark
codes should help too
Nov 28, 2010 at 2:40 AM