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emissions warning light

  1. Polo 9N 1.4 FSI 2003 Emissions Warning Light Diagnosis & Fix

    My Polo has recently got the emissions warning light continually on. Have taken it to a garage who said it was caused by the valves, and so they replaced the lot (at vast expense). That didn't solve it. So they then tried the good ol' brake light switch option, which is known to throw up some...