1988 Chevy Van, acceleration hesitation

1988 CHEVROLET VAN
150,000 MILES • V8 • 2WD • AUTOMATIC
Avatar
HOGJAW
  • MEMBER
  • 1 POST
305 tbi, dosnt burn oil, starts fine, runs good for 2 or 3 miles, then boggs down and coughs when i depress gas, acceleration real bad for another 5 miles then it runs a lot better but still has hesitation under initial acceleration this problen just started last week and gets worse each time i drive it. has new plugs, rotor, cap & filters
Jun 4, 2009 at 5:32 PM
Advertisement
Avatar
DOCFIXIT
  • ✓ASE Certified Mechanic
  • 18,828 POSTS
  • ASE Certified Mechanic
Hi
Has fuel pressure been checked? Check spark see if you get a blue/white spark. Is check engine light on?
Take a timming light hook up and with engine running point at injector note spray should be 360 degree and no drips.
Let me know
Thanks for donate
Jun 5, 2009 at 12:45 PM
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.