1988 Chevy Van, acceleration hesitation

1988 CHEVROLET VAN
150,000 MILES • V8 • 2WD • AUTOMATIC
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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 10:32 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
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 5:45 AM
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