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99 A6 2.8L - Misfire codes and now it won't start

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Old 02-10-2012, 05:55 PM
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Default Re: 99 A6 2.8L - Misfire codes and now it won't start
reply might be too late. If I were u, I should have right side valve cover opened to check the timing chain tensioner, the half moon worn out may cause such problem.
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Old 02-16-2012, 12:00 PM
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Default Re: 99 A6 2.8L - Misfire codes and now it won't start
Throttle body boot, incorrectly-gapped spark plugs and EGT sensors will throw those misfire codes. Start there....
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Old 02-16-2012, 10:07 PM
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Default Re: 99 A6 2.8L - Misfire codes and now it won't start
Not sure about the throttle body boot, but definitely won't be an EGT as the 2.8 30V motor doesn't have any.
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