1989 Mazda B2600 trobble shoting

Tiny
MCKINNEY_TERRENCE
  • MEMBER
  • 1989 MAZDA B2600
  • 4 CYL
  • 4WD
  • MANUAL
  • 180,000 MILES
My truck keeps missing all the time i've checked the plugs, plug wires, and the oil.
Wednesday, December 9th, 2009 AT 6:39 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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, December 9th, 2009 AT 7:10 PM

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