spits n sputters

1995 CHEVROLET VAN
172,489 MILES • 5.7L • V8 • 2WD • AUTOMATIC
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BIG DAN53
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  • 1 POST
Runs fine in park or neutral really spits sputters and back fires through the carburetor when it is put into drive. I just had a tune up done and replaced the fuel filter. why wont it stay running when it is put in drive?
Jul 31, 2016 at 8:32 PM
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JOHNNY G.JR
  • CERTIFIED EXPERT
  • 320 POSTS
Spark plug wires replaced in wrong order.
Jul 31, 2016 at 11:03 PM
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HMAC300
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  • 48,601 POSTS
check firing order and check fuel pressure with agauge, check for a vacuum leak.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Aug 1, 2016 at 7:03 AM
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