1979 Other Chevrolet Models Engine stumbles

1979 CHEVROLET
200,000 MILES • V8 • 2WD • AUTOMATIC
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AM77
  • MEMBER
  • 1 POST
This chevy P30 stepvan belongs to my husband but he needs to find out why it stumbles after having done a tune up on the vehicle and replacing the fuel hose and filters.
Mar 23, 2008 at 5:26 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Check the Carb's accelerator pump whether its squirting fuel as you pull the throttle back, ignition timing and fuel pressure and also look for exhaust restriction. Coil weak-
Mar 23, 2008 at 6:06 PM
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