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Fault Diagnosis

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Fault Diagnosis

SymptomCauseRemedy
Erratic running
Stalling at idling
Lack of power
High fuel consumption
Sticking piston
Dirty piston and suction
chamber
Jet out of centre
Bent needle
Clean
Re-centre
Fit new
Too rich at idling
Fuel leak
Jet gland leakage
Faulty top gland
Dirt under top gland washer
Faulty bottom gland
Clean
Fit new
Float chamber or jet flooding Incorrect fuel level
Dirty or worn float chamber
Needle valve
Punctured float
Check and reset level
Clean or renew valve
Fit new

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