Mitsubishi Montero Sport 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 Montero Sport based on all problems reported for the Montero Sport.
I had a bad 02 sensor replaced on my 2002 Mitsubishi Montero Sport in June 2006. A month later another 02 sensor needed to be replaced. Total expense was $600+.
See
all problems of the 2002 Mitsubishi Montero Sport
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