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2002 Ford Mustang hesitation during accleration

Tiny
CHRISDCOSTA86
  • MEMBER
  • 2002 FORD MUSTANG
  • V8
  • 2WD
  • MANUAL
  • 104,000 MILES
I have been having some issues with my car. I notice a coolant leak coming from either the water pump gasket or manifold gasket (light leak) now I recently started to experience a hesitation problem during accleration and loss of power. It starts up fine and idles good just when driving around. It hesitates at all speeds and gears. It is drivable as long as I dont floor the gas to much. Please help me out
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Tuesday, December 1st, 2009 AT 11:00 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Oxygen sensor
Catalytic converter
Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline (fuel contaminated with water or too much alcohol)

Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Wet plug wires
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Wednesday, December 2nd, 2009 AT 12:39 AM

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