1992 GMC Sierra sputter

1992 GMC SIERRA
200,000 MILES • 4.3L • 6 CYL • 2WD • AUTOMATIC
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TROYCCF
  • MEMBER
  • 1 POST
"I have a 4.3 v6 in my GMC sierra and when i crank it up for the first time in hours it sputters even when I drive down the rod it does until i get a certain sppeed. but when it warms up it stops"
Jul 9, 2014 at 4:18 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check for a vacuum leak like cracked hoses and beneath the tbi unit.
Jul 9, 2014 at 5:30 AM
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