Hesitation Problem?

simpkins

New Member
Jun 26, 2013
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Hey everyone, I have a 2000 mustang v6 automatic. When I attempt to accelerate from a stop, or even just slowing down for the person in front of me to turn, my car hesitates or lags. I can have the pedal all the way to the floor and not go above 10 mph. (from the complete stop) and you can see the rpm gauge kinda vibrate from the "trying to go but cant quite make it". It is hard to explain over the internet lol. Problems in mind are: fuel pump, fuel regulator, a sensor, or exhaust. Has anybody had this problem?
 
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Simkins,
It sounds like we both have the same issue, mine is a 2001 with 160K except the motor was replaced with one that has approx 20K miles. It only happens when you leave a stop light or stop sign. There is no warning when it will happen, it just does. When I put the engine in I used the coil pack and ignition wires from the old engine as well as the fuel injector rail assy with the fuel pressure regulator, the engine came with the intake assy and throttle body and the cam position sensor and crank sensor. There is never a Check Engine Light. There are a couple of things that I am thinking, Fuel Pump, Cats, Fuel Pressure Regulator..........But I am not just going to throw money at it........Hopefully someone will come along here that has had this problem and can steer us in the right direction, sorry for the hijack.

Greg