my 05 Bonneville will bog down and wont accelerate when im driving down the road on 2005 Pontiac Bonneville

I can put the pedal to the floor and it slowly speeds up. then all of the sudden it kicks in and goes.

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1 answer
If it is in over drive, then a short pause and then acceleration is normal. However, if it occurs outside of OD ten it could be a dirty throttle body, bad plugs, or dirty injectors.