Chugging at 50 mph

1950 GMC
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BEERY
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My 1995 Grand Am GT 3.1 L V6 chugs whenever I lightly accelerate at around 50 mph. However, if I push hard on the gas, the engine accelerates normally. Why is my car doing this?
Feb 14, 2006 at 5:03 PM
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MVANNESSJR
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Check the throttle body position sensor. It may be failing.
Feb 15, 2006 at 8:32 AM