Why is my carburetor not working on my Rochester car?
Why is my carburetor not working on my Rochester car?
Thankfully, the most challenging part of repairing the carburetor is first identifying the likely causes of the problem. If the engine will not start due to a carburetor problem when the engine is cold, the cause is most likely a defective accelerator pump. In fact, this is one of the most common problems with Rochester carburetors.
Why does my carburetor not start when it’s cold?
If the engine will not start due to a carburetor problem when the engine is cold, the cause is most likely a defective accelerator pump. In fact, this is one of the most common problems with Rochester carburetors.
What happens when a carburetor is clean and working properly?
When a carburetor is clean and is working properly, the engine should start easily (hot or cold), idle smoothly, and accelerate without stumbling. The engine should get normal fuel economy and emissions should be within limits for the year of the vehicle.
What causes a carburetor to hesitate under load?
Hesitation Under Load. A hesitation, stumble or misfire that occurs when the engine is under load can be caused by a faulty power valve inside the carburetor. A carburetor uses intake vacuum to pull fuel through its metering circuits. As engine load increases and the throttle opens wider, intake vacuum drops.
Thankfully, the most challenging part of repairing the carburetor is first identifying the likely causes of the problem. If the engine will not start due to a carburetor problem when the engine is cold, the cause is most likely a defective accelerator pump. In fact, this is one of the most common problems with Rochester carburetors.
If the engine will not start due to a carburetor problem when the engine is cold, the cause is most likely a defective accelerator pump. In fact, this is one of the most common problems with Rochester carburetors.
When to know if your carburetor is running lean?
Before attempting to fix a carburetor problem on your motorcycle, you need to come up with the correct diagnosis. When a carburetor is running lean, the fuel-to-air ratio is off because the carburetor is delivering too much air. Typical symptoms of a lean mixture are:
What causes a carburetor to be idle all the time?
A rough idle condition is usually caused by an overly lean fuel mixture that results in lean misfire. A common cause of idle problems is air leaks between the carburetor and intake manifold (tighten the carburetor base bolts or replace the gasket under the carburetor), air leaks in vacuum lines or the PCV system or EGR valve.
