studder
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studder
2011 a5 2.o quarto coupe has a terrible shake at when excellerating at times, back off gas and it stops. Thought it was misfire, replaced coils and plugs, went away for a few days, but came back. Error code P0303 check coil plug on # 3 cylinder but nothing looked unusual. But it's back.
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Joined: Apr 2013
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cost effective way to test the coil plug, swap #3 for another, if the error follows the coil its self evident what you need to replace.
If the problem does not return, could be the connection plug was not seated right or had some dirt in the connection.
If the problem does not return, could be the connection plug was not seated right or had some dirt in the connection.
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