2000 Mazda 626 Engine missing

Tiny
WMUDLER
  • MEMBER
  • 2000 MAZDA 626
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 76,000 MILES
What would cause my engine to miss when it is cold but not after warming up.
Saturday, September 26th, 2009 AT 1:47 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine misfiring could be one of the following 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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Saturday, September 26th, 2009 AT 1:55 PM

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