Diagnosis of malfunctions of the contact ignition system

MALFUNCTION	CAUSE OF THE FAILURE
Engine won't start	Oil has got on the working part of the breaker contacts
	Breakdown or breakage of the capacitor plate
	Presence of moisture on high voltage wires, on the ignition coil or on the inside surface of the distributor cap
	Breakage of the winding of the ignition coil
	Ignition angle incorrectly set
Misfiring occurs when the engine is running	Defective distributor rotor
	Distributor cap is wet or cracked
	Defective spark plug or incorrect operating gap
	Deterioration of the mechanism for changing the ignition timing
	Faulty breaker or capacitor
	Bad breaker ground connection
Insufficient engine power	Difficulty moving the weights of the centrifugal regulator
	Broken or damaged vacuum tube
	Starting ignition timing incorrectly set
Detonation occurs when the engine is running	Early ignition installed
	Broken or stretched centrifugal governor spring
	Low octane fuel
Burning of breaker contacts	Poor distributor ground connection
Burning of breaker contacts	Faulty capacitor

« Previous articles
Checking the ignition timing
Replacing breaker contacts
Adjusting the gap between the breaker contacts
Capacitor — removal and installation
Vacuum Ignition Advance Controller
Ignition distributor — removal and installation
Contact ignition system — general information
Ignition system — general information

Next articles »
Contactless ignition system — general information
Contactless ignition distributor
Contactless ignition switch
Electronic ignition system without ignition distributor

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