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1998 Dodge Ram

Tiny
BOOTLEGGER
  • MEMBER
  • 1998 DODGE RAM
Engine Performance problem
1998 Dodge Ram V8 Four Wheel Drive Automatic

runs fine most of the time but sputters and almost dies sometimes?
Wednesday, July 29th, 2009 AT 2:44 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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, July 29th, 2009 AT 3:09 PM

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