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2005 Pontiac Montana Question: I have gas fumes when I start the Van from a cold overnight start.

 

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Dawn I, 3.4L V6, Lima, OH, January 26, 2013, 11:22
 Rookie

I never happens once I drive it and restart and also fumes go away after van runs 15 minutes or so. A mechanic suggested I put fuel injector fluid in my gas tank because it could be a gunked up injector. I have ran two full tanks of gas with injector fluid and still get the smell. It is not every time but almost every other.

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