1988 Chevy Van, acceleration hesitation

1988 CHEVROLET VAN
150,000 MILES • V8 • 2WD • AUTOMATIC
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HOGJAW
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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
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DOCFIXIT
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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