Mitsubishi Diamante owners have reported 1 problem related to emission control (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mitsubishi Diamante based on all problems reported for the Diamante.
My gas tank does not vent properly - the car has a detination problem and has exploded on four occations with a force that rocks the car. I don't want to get in it anymore, nor does my family. It has been in the shop for 25 days.
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all problems of the 2000 Mitsubishi Diamante
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