Question about 2004 Ford Mustang V6

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Car is hesitating during acceleration - 2004 Ford Mustang V6

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Sound like engine running lean.change fuel filter.clean fuel injectors.if problem continues.code scan for faulty MASS AIR FLOW SENSOR,TPS ALSO.MAKE SURE SPARK PLUGS OKAY.CHECK ALSO THE AIRFLOW DUCT.MAKE SURE IT IS IN PLACE.I SEEN IF BEFORE AIRFLOW DUCT TO INTAKE MANIFOLD LOOSE OR DISCONNECTED IT WILL HESITATION ON ACCECLERATION.CHECK FUEL PRESSURE.

Posted on Jan 03, 2013

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Hi there i have a 2000 v6 camaro and i just rebulit the top end of the motor over the summer my car does this same exact thing ive diagnosed it as a tps but my throttle body is all one piece and i have fly by wire system so its about 500 to replace. when its really cold in the morning it doesnt like to idle smooth also because if my coolant temp. sensor. For you i would recommend doing a compression test on all of the cylinders, checking for spark, and also check and possibly replace tps( throttle position sensor)..

Posted on Jan 03, 2013

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Why does it hesitate during acceleration?


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I would start by changing the fuel filter. Changing plugs, wires, cap, and rotor are all good things to do as your budget will allow. I doubt you will have to change your injectors.

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