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Pontiac Parisienne Carburetor

Some Usual Signs of Pontiac Parisienne Carburetor Issues

Your Pontiac Parisienne is a classic American car that was designed with a durable carburetor. Through the years of constant use, the carburetor of your car will eventually wear down, especially considering the Parisienne model belongs to the older generation of Pontiac cars. Here's a list of some common signs which could tell a malfunctioning carburetor. If any of these are prevalent in your car, then better be ready to look under the hood.

Engine fails to start properly

If you have been cranking the ignition switch, but the engine still fails to start even after a few attempts, then it may lead to a faulty carburetor. A problem you might encounter here is that there can be a number of possible causes. The best way to solve this problem is by checking the condition of the carburetor first. The carburetor's choke adjustment and linkage have to be inspected because there should be no object that restricts or bend the parts.

Poor gas mileage

Another sign of a carburetor in bad condition is poor gas mileage. There are some other parts that can cause your carburetor to work inefficiently, and one of these is the exhaust pipe. This part has to be checked if it has been plugged. It should also be checked if it has been crimped or kinked. In any of these conditions happened to the exhaust pipe, then it has to be cleaned because dirt or other foreign matter have accumulated already.

Flooding

A poor carburetor can cause gas to pour out when the engine is turned off. This may be caused by a defective vent valve in the carburetor, or the valve is stuck or blocked. If any of these signs are present, then an immediate replacement is needed. A leaking carburetor can also be caused by a gas line that is located too close to a heat source like the radiator hose or exhaust manifold. The gas line has to be positioned and secured away from these parts.

Other troubleshooting tips

Observe the condition of the engine when performing cold and warm starting. These could show signs of a carburetor that's wearing down. The engine should always start smoothly whether it's a cold or warm start. However, if it fails to start completely, dies after a few second, or produces smoke, then you will need to inspect the carburetor immediately.

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  • Pontiac Parsienne Carburetor: Useful Hints to Keep It in Good Condition 04 March 2014

    The constant supply of fuel to the engine and the precise mixture of air and fuel is determined by your Pontiac Parsienne's carburetor. Also referred to as "carb," the carburetor will cause different problems when not maintained properly. Some of these problems are failure to start, flooding, and poor fuel economy. To avoid any trouble with your car's carburetor, here are some maintenance tips you could easily perform in your garage.

    • Keep the carburetor clean.

      The accumulation of dirt and grit on the surface of the carburetor may clog the jets and the ports of the car part. This will eventually lead air locks, coughing and lower power when accelerating. The best way to remove dirt and grit is by using a good cleaning solution or an air compressor to clean the tight areas effectively.

    • Use the proper tools when cleaning the carburetor.

      A carburetor is made up of different parts connected together by various bolts and screws. Sometimes, these parts have to be removed to check or clean the car part efficiently. It is very important to use the correct tools designed for removing or cleaning the carburetor to avoid any damaging the component. There are some tools that contain spring-loaded pins of different sizes, which give a sort of cushion to the delicate parts. There's even a butane torch that could help loosen the carburetor's tight portions.

    • Remove the gas inside the carburetor.

      This procedure is most useful when the vehicle is sitting for a long time and the engine is idle. You can remove gas simply by turning off the fuel line valve while the engine is turned on until the engine stops naturally. The engine in this process burns the fuel remaining in the carburetor. Aside from this, fuel from the fuel tank should be drained if the vehicle will be stored for a long time.

    • Adjust the carburetor correctly.

      When adjusting the carburetor, always remember that the car's engine should be fully warm before you begin. If it already is, then the idle adjustment screw must be tightened to increase the idle speed of the car. If you want to decrease the idle speed, then adjust it by slightly unscrewing. The usual adjustment of a carburetor is at 850 RPMs.