Carburetor issue

Tiny
JAYPICKSEMGOOD!77
  • MEMBER
  • 1983 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 1,000,000 MILES
Well it runs great and four barrels open just fine but falls on its face when in gear on about a quarter pedal. And the four barrel does not open up In gear.
Tuesday, August 15th, 2017 AT 11:08 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

It sounds like you have an accelerator pump that is not working. Remove the air cleaner and with the engine not running use a flashlight to look down inside the primary butterfly's working the throttle open and closed you should see two streams of fuel entering the venturies.

Please let us know what you find.

Cheers, Ken
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Wednesday, August 16th, 2017 AT 10:43 PM

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