when I push the gas from a complete stop why does the engine hesitate? on 1996 Toyota Previa

when the engine hesitates I have to let off the gas peddle and then I have to barlly push it then the van will get up and go and any rmp it just seems to be at idle not sure why, does any one have some advice, also Havent done a tune up in 2 yrs

by in Port Saint Lucie, FL on August 08, 2012
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1 answer
ANSWER by , October 01, 2012
no check engine light? maybe you need a tune up ( wires, spark plug, distributor cap & rotor ) change auto trans fluid.