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Mitsubishi Galant
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What causes a Mitsubishi Galant to idle rough for the first 10 minutes it is running and then run fine after that?

Answer

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Wiki User
10/07/2014

A clogged fuel filter can cause a Mitsubishi Galant to idle rough for the first 10 minutes it is running and then it runs fine after that. A fouled spark plug can also cause this issue.