weejohn Posted September 12, 2018 Posted September 12, 2018 i have a 2013 a3 1.6d fully serviced when at idle it is very loud when driving runs perfect and very quiet . Is th engine at idle supposed to be kind of loud ?
Steve Q Posted September 26, 2018 Posted September 26, 2018 I would say no, and I'm wondering if a sensor has failed such as the air flow sensor. Cheers Steve
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