1995 GMC Sonoma

Tiny
ALICIASMITH09
  • MEMBER
  • 1995 GMC SONOMA
1995 GMC Sonoma 6 cyl Automatic

i have a 1995 GMC sonoma and only three of the cylinders are working. Why? Its a 4.3 liter fuel injected v-6 vortec
Wednesday, January 27th, 2010 AT 7:42 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, I believe your vehicle has the spider fuel system? Maybe some of the fuel poppets need cleaning? Did you visually check for spark at the plugs? How long since a tune-up? Can you check for any applicable trouble codes?
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Wednesday, January 27th, 2010 AT 9:42 PM

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