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1989 Other Chevrolet Models no start when warm

Tiny
TIM1125
  • MEMBER
  • 1989 CHEVROLET
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
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Tuesday, November 3rd, 2009 AT 4:42 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 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
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Sunday, November 8th, 2009 AT 10:50 AM
Tiny
TIM1125
  • MEMBER
  • 3 POSTS
It is throttle body injected, also ive replaced fuel pump, and also checked fuel pressure reglator.
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Thursday, November 12th, 2009 AT 12:13 PM

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