1999 Chevy Lumina engine code p303

1999 CHEVROLET LUMINA
134,200 MILES • 6 CYL • FWD • AUTOMATIC
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DEASTER
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My check engine light came on and the car was sputtering when in drive. I just got new spark plugs and wires a couple of weeks ago and the problem went away. Last night everything happened all over again. It is saying that cylinder 3 is misfiring if any suggestions please let me know thanks.
Oct 5, 2010 at 9:45 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
P0303 misfire at cylinder no.3 -check the sparkplug, compression and injector for that cylinder
Oct 5, 2010 at 10:00 AM
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