Why is my Quadrajet carburetor still running at idle?

Why is my Quadrajet carburetor still running at idle?

If any fuel can be seen dripping into the engine from the carburetor, the float is stuck or defective and must be repaired. The fuel is too high in the float bowl and is being sucked out of the jets into the engine, thereby flooding the engine. If the engine runs OK except at an idle, the idle jets may be out of adjustment of dirty.

What causes an outboard motor to sneeze and cough?

Described variably as a sneeze, cough or stutter, an outboard motor or any engine will lose its ability to run smoothly if it does not receive enough fuel. In small engines, the culprit is the carburetor.

What causes the choke to close on a Quadrajet?

When the engine is cold, the spring contracts and creates a pull on the choke to close. The throttle keeps it from closing as long as it is not disturbed. When the engine is started, the throttle should be tapped just a little to allow the choke to snap shut.

How to get rid of fuel pump whining?

It is sometimes difficult to take this screen out so there easy fix is to spray PB Works up in there and it will eat off all the garbage that has collected and your screen will look new. Put everything back together and you will be surprised to learn your whining will be gone and the above symptoms will also dissapear.

Do you need to re-jet or add a fuel processor when?

The number one question we get here at West End Motorsports is, “Do I need to rejet or add a fuel processor if I change my exhaust?” In cases where the motorcycle is running properly, you do not have to make any adjustments when adding slip-on mufflers.

Why is my V twin Coughing through the CARB?

Reason for the carb to do that is that it is running lean – causing a backfire or popping through the carb. If the carb is jetted correctly this will solve the problem.

What causes a fuel pump to die before filling up?

If you make a habit of running your tank all the way to empty before filling up; your fuel pump will most likely die before its designed lifespan. This is due to the fact that when you shut off the engine with a low fuel level; the fuel can drain from the priming chamber designed into the fuel delivery system.

What to do if your fuel pump is not working?

To make sure you’re vacuum operated fuel pump is working correctly, pull the vacuum line to the fuel pump off and crank the engine. You should feel a good amount of suction at the mouth of the carb. The engine crates a vacuum pulse to the fuel pump, which in turn creates an amount of pressure that pushes fuel into the carburetor.