what would cause my 2004 alero to misfire

130,000 MILES
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R_SSHELLMAN
  • MEMBER
  • 1 POST
when we start it it makes a put put noise out of the muffeler. people told us it was the coil and the spark plugs so we replaced them. but that wasnt the problem. something else is causing the misfire and the spark plugs to burn up. It is leaking out of the muffeler and is not overheating.
Mar 10, 2012 at 2:38 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Refer to this link for more information:http://www.2carpros.com/articles/engine-misfires-or-runs-rough
Mar 10, 2012 at 2:39 PM
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