2020 Mazda 3 Sport Service and Repair Manual
This manual is built around the 2020 Mazda 3 Sport as Mazda specified it, matching the year, the 2.5L L4 engine and the trim so the torque values, wiring diagrams and service intervals inside are the ones printed for this hatchback rather than a generic 3-series entry.
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
- GT
- GX
Known issues on the 2020 3 Sport. No recalls are on federal record for the 2020 3 Sport, and no complaints are logged for the year either. The factory diagnostic and repair procedures for this hatchback's engine, electrical and chassis systems are still fully documented here.
A clean federal record doesn't remove the need for correct data during a timing service, a sensor swap, or a routine interval on this specific VIN L or VIN M-equipped 3 Sport.
