Question about 1998 Pontiac Bonneville

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1998 Bonnevelle bogging out

I have 1998 Bonneville SE 3.8 not supercharged. When I run the car it runs smoothly and just fine until it runs for about 12-15 miles. Then the car boggs down, the tac drops and then the engine catches smooths out and it runs fine. It always happens at the 12-15 mile mark. It happens on the freeway as well as the surface streets at different speeds but always at 12-15 miles.
Any ideas?

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I re-set the computer an it runs great.

Posted on Jan 28, 2009

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