2012 Mazda 3 Sport Service and Repair Manual

This factory service and repair manual for the 2012 Mazda 3 Sport documents the 4-door hatchback in its four trims, listed as GS, GS-SKY, GT and GX. Two engines were offered for the year. The smaller is a 2.0L inline-four of 122 cubic inches; the larger, a 2.5L inline-four of 152 cubic inches. Each runs on gasoline, uses double overhead camshafts and draws air without a turbocharger or supercharger.

Engines covered

• 2.0L inline-four (122 cu in) — DOHC, naturally aspirated, gasoline
• 2.5L inline-four (152 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door hatchback

Trims covered

• GS
• GS-SKY
• GT
• GX

Known issues on the 2012 Mazda 3 Sport. For the 2012 car, fuel system and ignition diagnostics are given for both gasoline fours, together with the wiring diagrams that run through the hatchback's electrical system. Engine mechanical procedures, specifications and torque values cover the 2.0L and the 2.5L, and the cooling system, transmission, brakes, steering and suspension carry the same kinds of data.