1997 Gmc Sonoma Had P0302 Replaced Spark Plugs Wires Realativley New Drove

1997 GMC SONOMA
120,000 MILES
Avatar
BMASE78
  • MEMBER
  • 1 POST
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?
Jan 8, 2013 at 7:49 PM
Advertisement
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check yoru fuel pressure first and if that is ok check for a vacuum leak. what engine is it ecause fuelpressures are different
Jan 9, 2013 at 7:30 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.