p0300,I've changed plugs and fuel filter,what should I check?

2000 CHEVROLET S-10
127,395 MILES
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ART 559
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My 2000 Chevy 2.2 4 cylinder has a miss at hard acceleration,and it gave me code p0300,I've changed plugs and fuel filter,what should I check? code p0300 2000 Chevy s10 2.2 2wd 5 speed...but passed smog with this miss.
Feb 15, 2012 at 2:50 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
P0300-Random misfires-normally caused by vacuum leaks and poor fuel pressure.
Feb 15, 2012 at 2:52 PM
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