engine severly misfires at different times

2004 BUICK LESABRE
237,000 MILES
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CHARLOTTEPARRIS
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  • 1 POST
Can change fuel line filter and will run for a short period of time then starts back into chugging and will not pull.
Aug 6, 2012 at 5:58 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
start with bascis. how old are the plugs, wires????

Roy
Aug 6, 2012 at 6:21 PM
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