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2002 Saturn L200 ignition misfire

Tiny
MJV2932
  • MEMBER
  • 2002 SATURN L200
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 125,000 MILES
Code said it is an ignition misfire so I pulled the ignition coil and the spark plugs and tested it the two middle one will not fire so I got a new ignition coil and still have the same problem.
Monday, October 27th, 2008 AT 3:25 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi mjv2932 and welcome to 2carpros

Misfires 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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Monday, October 27th, 2008 AT 3:35 PM

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