Mercury Cougar owners have reported 1 problem related to overdrive light on (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercury Cougar based on all problems reported for the Cougar.
2000 merc Cougar, v6, auto transmission. Tranaxle light or o/d off light blinks, shifting of gear becomes violent. First started in sept/oct of 2002, problem still occurs in Feb 2004. Numerous trips to repair shop. No fixes work.
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