I HAD A P0302 I REPLACED THE SPARK PLUGS THE ...

  • Tiny
  • bmase78
  • 1997 GMC Sonoma
  • 120,000 miles

I had a p0302 I replaced the spark plugs, the wires are realativley new. I drove the truck for a couplr days and now the same code is back. What could be causing the plug in clinder 2 to foul out like that?

Wednesday, January 9th, 2013 AT 3:49 AM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 43,032 posts

Check yoru fuel pressure first and if that is ok check for a vacuum leak. What engine is it ecause fuelpressures are different

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Wednesday, January 9th, 2013 AT 3:30 PM

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