2001 Mitsubishi Galant Stuttering

Tiny
GORDLINESS
  • MEMBER
  • 2001 MITSUBISHI GALANT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 50,000 MILES
It seems to stutter or want to die during excelleration and sometimes at a stop
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Saturday, January 2nd, 2010 AT 6:56 PM

1 Reply

Tiny
2CEXPT
  • MEMBER
Check and test the following below:

Oxygen Sensor
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
Coil and Rotor
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Saturday, January 2nd, 2010 AT 9:00 PM

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