1989 Other Chevrolet Models no start when warm

1989 CHEVROLET
Avatar
TIM1125
  • MEMBER
  • 3 POSTS
Engine Mechanical problem
1989 Other Chevrolet Models V8 Four Wheel Drive Automatic

i have a 89 chevy 4x4 350 starts good when cold but about 5 min wont start only when you hold the gas down all the it wants to start but wont. pls help
Nov 3, 2009 at 4:42 PM
Advertisement
Avatar
HMAC300
  • CAR REPAIR CONTRIBUTOR
  • 48,601 POSTS
I am assuming this is a carb operated engine. With the alcohol in todays gas, your float may be dropping or you are losing pressure and gas is going back out of the float bowl. I'd check the float for working andnot sinking in the carb. Probably time for a rebuild
Nov 8, 2009 at 10:50 AM
Avatar
TIM1125
  • MEMBER
  • 3 POSTS
[quote:a6f748fb79="hmac300"]I am assuming this is a carb operated engine. With the alcohol in todays gas, your float may be dropping or you are losing pressure and gas is going back out of the float bowl. I'd check the float for working andnot sinking in the carb. Probably time for a rebuild[/quote:a6f748fb79] it is throttle body injected, also ive replaced fuel pump, and also checked fuel pressure reglator.
Nov 12, 2009 at 12:13 PM
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.