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

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Mazda 3
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3
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General description new engines models L8, LF, L3
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Variable valve timing mechanism
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The mechanical part of engines
Appendix 1
Annex 2
Appendix 3
Engine Z6 - mechanical part
Lubrication system
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Spark plug



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

Spark plug
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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