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p0411

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Old 07-04-2013, 02:43 PM
smithd2424's Avatar
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Throwing engine code: p0411

1998 Audi A4 2.8 quattro

I understand it could be a vacuum eak? any other common issues with this code? thanks
 
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Old 07-09-2013, 09:12 PM
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16795/P0411/001041 - Ross-Tech Wiki

Could be the SAI pump, SAI pump relay, SAI pump fuse, combi valves, combi valve vacuum hoses, combi valve vacuum solenoid, those are the usual things to check. Sometimes the combi valves get stuck open.
 
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