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Old 08-29-2010, 08:18 AM   #1
LS1Hawk
 
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Misfire in LaCrosse

The check engine light came on in my Buick last night. The car's only 6 mos old, but doesn't completely surprise me because I've had other issues with the car already which I won't go into. I had OnStar do a diagnostic over the phone and they said the system is detecting a misfire. I have not noticed any vibrations or loss of power. The car has 7,600 miles on it. I can't imagine a wire or plug being dirty or bad a this point. Maybe it's a bad tank of gas?

For people who know more about this than I do, should I try running fuel injector cleaner in it and see if that does the trick? I don't know how accurate OnStar is and don't want to drive around too long in case there is something more serious going on. But like I said, I have not noticed any difference when running the car.
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