Mechanics

OIL CHANGE

2003 Audi Quattro

Engine Performance problem
2003 Audi Quattro 6 cyl All Wheel Drive Automatic 95,000 miles

my service technician performed an oil change on my a6 but used regular oil instead of the synthetic oil it always had. Is that damaging to the engine, performance, etc. Can I return to synthetic oil on the next oil change.
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Capecod
February 25, 2009.



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