1997 Nissan Altima p0304 code

1997 NISSAN ALTIMA
181,321 MILES • 4 CYL • 2WD • AUTOMATIC
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DHOWARD128411
  • MEMBER
  • 1 POST
i have change plugs wire, plugs, dis cap, and coil wire and replace knox senor and harness
still have code p0304
Oct 28, 2008 at 4:38 AM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Hi there,

This is a miss fire in Cylinder No 4, check compression, vacuum leaks at or near that cylinder and the injector, start here.

mark (mhpautos)
Oct 28, 2008 at 5:30 AM
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