Mercury Marquis owners have reported 1 problem related to gas recirculation valve (egr valve) (under the engine and engine cooling category). The most recently reported issues are listed below.
While driving in traffic, consumer states that vehicles engine seized. Consumer was almost rear ended. Took to dealer and the dealer said the idler cooling valves failed. Please provide any further information. Ts.
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all problems of the 1999 Mercury Marquis
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