2023 Mazda 3 Sport Service and Repair Manual

This factory service and repair manual for the 2023 Mazda 3 Sport is for a hatchback whose engine lineup counts three gasoline inline-fours, each with double overhead camshafts. The turbocharged 2.5L stands apart from its naturally aspirated counterparts, a 2.5L of 152 cubic inches and a 2.0L of 122 cubic inches. GS, GT and GX are the three trims, and the 4-door hatchback is the body they are built on.

Engines covered

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

Body styles covered

• 4-door hatchback

Trims covered

• GS
• GT
• GX

Known issues on the 2023 Mazda 3 Sport. Each of the 2023 hatchback's three engines uses double overhead camshafts, and the manual addresses that layout with engine mechanical procedures, specifications and torque values for the 2.0L, the 2.5L and the turbocharged 2.5L. Ignition and fuel diagnostics go with them, as does cooling system service. Beyond the engines, wiring diagrams cover the electrical system, and procedures and specifications are given for the transmission, brakes, steering and suspension.