Question about 2001 Buick Century

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Surging during acceleration

When I ,m cruing along and attempt to slightly accelerate the engine starts to surge up and down

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If it always, under acceleration, reguardles of what gear you are in, it is must likely, your ignition wires. If it's while coasting, past 45, vehicle in fourth gear, then it would be an isue with your trans. i.e. trans coming in and out of fourth gear or a torck converter clutch problem. Should have codes. If so what are they?

Posted on Jan 16, 2009

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This engine has a surge; AT 35-45mph,it's a bit more prounounced, not as bad, but still there at 60mph. As the tach goes up some, then down, so does the motor, up then back down, etc.Any ideas?


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