2003 Dodge Ram miss firing

Tiny
X4G7Z9
  • MEMBER
  • 2003 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
  • 65,000 MILES
Miss firing, spitting, sputtering when accelerating after being fired up first thing in the day. Mostly happens during rainy days or just after rain
Wednesday, January 20th, 2010 AT 2:21 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
An engine misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
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Wednesday, January 20th, 2010 AT 7:57 PM

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