Audi A6 Problem Report

Audi A6 Maintain Fuel Quality to Avoid Misfires and CEL Illumination

(6 reports)

Fuel quality must be maintained to avoid engine misfire problems; the misfires may cause the Check Engine Light to illuminate.

My daughter started to use it and put 87 gasoline froom ^^. Some days after the engine light came on andd you could sense there was a cylinder miss firing. changed to ptremium shell and problem was gone -
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