REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 3 (2003 release)

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Mazda
	3
		Operation and maintenance of car
		Engine
			General description new engines models L8, LF, L3
				The mechanical part of engines
				Variable valve timing mechanism
				Lubrication system
				Cooling system
				Fuel system
				Exhaust and Emission
				Electric motors
					Overview
					Charging System
					Ignition coil
					Spark plug
					Starter
			The mechanical part of engines
			Appendix 1
			Annex 2
			Appendix 3
			Engine Z6 - mechanical part
			Lubrication system
			Cooling system
			Intake system
			Fuel system
			Exhaust and Emission
			Ignition system
			Control system
			Tables
		Transmission
		Chassis
		Steering Gear
		Brakes
		Onboard electric
		Body

printable version

Spark plug

Used iridium spark plug. The center electrode has a diameter of 0.6 mm and made of an alloy of iridium.

Fig. 2.71. Spark Plug: 1 - iridium alloy; 2 - Platinum tip

Thinner center electrode has reduced the electrical discharge and improved ignition characteristics. which, in turn, allowed for stable performance under all traffic conditions and to significantly improve fuel efficiency (Fig. 2.71).

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