1996 GMC Safari code p0300

1996 GMC SAFARI
205,550 MILES • V8 • 4WD • AUTOMATIC
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JDNORTHRUP
  • MEMBER
  • 2 POSTS
just replaced head and did complete tune up and don"t know where to go next? car has random misfires on idle

updated 2-5-09
already did that but it seems like it is running to rich
Feb 3, 2009 at 6:47 PM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
Check valve adjustment
and springs
Feb 3, 2009 at 7:30 PM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
Please hit replay so I know you had updated

next is cylinder balance test and catalytic converter test
Feb 4, 2009 at 8:01 PM
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