Guide to solve engine problems, especially Weber Carburetor, This guide is to help pinpoint problems by diagnosing engine symptoms associated with specific vehicle operating conditions. The chart will guide you step by step to help correct these problems, If the vehicle is equipped with an electric fuel pump, test the pump by applying 12 volts and a ground to the pump. If you have a mechanical pump, crank the engine over. If you do not have any fuel flow. Replace the pump. VACUUM SYSTEM, Testing the vacuum system with a handheld vacuum pump is very helpful in finding leaking hoses and devices in the system away from the carburetor. (Vacuum testers have an attached vacuum gauge to measure vacuum) Start at the carburetor and work your way toward the engine, remove vacuum
hoses one at a time. Be careful not to mix up any hoses.Plug the source of the vacuum and connect the vacuum pump to the source and test for any malfunctions in the system.
Tags : electric fuel pump, vacuum hoses, vacuum testers, vacuum gauge, vacuum system, vacuum pump, fuel flow, fuel pump, 12 volts, crank
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