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Power Valve Inside the Carburetor Suzuki F6A Multicab

Please also watch the following playlist    • Topics about BRAKES      • Topics about CARBURETOR      • Topics about STARTING SYSTEM      • Topics about CHARGING SYSTEM      • Topics about TRANSMISSION      • Topics about ELECTRICAL WIRING      • Topics about TIMING/VALVES/PCV/EGR      • Topics about FUEL SYSTEM      • Topics about COOLING SYSTEM      • Topics about Suzuki Multicab General ...      • Topics about life adventure in the pr...   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. This can reduce the flow of fuel and make the fuel mixture go lean, so the power valve has a spring-loaded vacuum-sensing diaphragm that opens to increase fuel flow when vacuum drops. If the diaphragm has failed or the valve is clogged with dirt or fuel varnish deposits, it must be replaced. A new power valve diaphragm is usually included with a carburetor rebuild kit.