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AFB Troubleshooting

  • AFB AVS Troubleshooting

    My AFB has a dashpot. Is it necessary? Yes, it works with the automatic transmission. Not good for the engine...
  • Carter AFB Hesitation or Bog

    When pressing down on the gas pedal, the engine hesitates then begins to catch up. This could be caused by...
  • Carter AFB Troubleshooting

    Do you know what side the brass insert is suppose to face…toward each other like I have it?No, they should...
  • Hard Starting in the Morning (Carter AFB)

    Before starting, look down the carburetor and pump the gas once. You should notice 2 things: the choke valve closes...
  • Main Discharge Doesn’t Spray (Carter AFB)

    When I pump the accelerator the main discharge doesn’t spray until the throttle is partially opened.One common problem often overlooked...
  • Rough Idle / Center Idle Screw Doesn’t Make a Difference (Carter AFB)

    Is my carburetor missing the center adjusting screw?Not all AFBs have the center adjusting screw. I’ve tried two different carburetors...
  • Running Rich at Idle or Flooding (Carter AFB)

    Flooding Test your fuel pump. New fuel pumps are especially troublesome. Check your motors manual for the proper pressure, but...
  • Runs Lean at High End, or Lack of Power (Carter AFB)

    Runs Lean at High End, or Lack of Power Look at the plugs. Tan, or brown is good. White, or...
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