Engine & identification
Vehicle identification
| No. of cylinders Type | 3/DOHC |
|---|---|
| Compression ratio :1 | 14,0 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Toyota |
| Ignition system Description | Map-DI |
| Fuel system Make | Mazda |
| Fuel system Description | MIFI-s |
| Air metering Type | Mass/MAP |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil Make | Toyota |
|---|---|
| Ignition coil Type | 9091902277 |
| Ignition coil supply voltage + with ballast V | 12,0 |
Firing order
The firing order for the Mazda 2 Hybrid 1.5 (2022–2026) is 1-2-3.
| Firing order | 1-2-3 |
|---|
Valve clearances
Valve clearances on the Mazda 2 Hybrid 1.5 (2022–2026) are hydraulic — they self-adjust, so no manual clearance figure applies.
| Valve clearance - INLET mm | Hydraulic |
|---|---|
| Valve clearance - EXHAUST mm | Hydraulic |
Engine oil & fluids
Engine oil
The Mazda 2 Hybrid 1.5 (2022–2026) takes 3.6 litres of engine oil with the filter.
See the reference table for the complete engine oil entries and their conditions.
Coolant
See the reference table for the complete coolant entries and their conditions.
Grades, filling conditions and capacities
| Preferred engine oil | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 0W-8 |
| Engine oil classification JASO | GLV-1 |
| Engine oil options | |
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 0W-16 |
| Engine oil classification API/ACEA | SN PLUS |
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 0W-20 |
| Engine oil classification API/ACEA | SN PLUS |
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | SN PLUS |
| Engine with filter(s) litres | 3.6 |
| Other lubricants and capacities | |
| Automatic transmission fluid Type | Toyota ATF WS |
| Automatic transmission (drain & refill) litres | 2.6 |
| Automatic transmission fluid (ATF) - drain and refill | |
| Coolant Type | Toyota SLLC |
| Coolant Colour | Pink |
| Cooling system - total capacity litres | 5.1 |
| Brake fluid Type | DOT 4 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Mazda 2 Hybrid 1.5 (2022–2026) are replaced at a minimum thickness of 19 mm (ventilated) front and 8,5 mm rear.
| Minimum disc thickness for replacement - ventilated Front | 19 mm |
|---|---|
| Minimum disc thickness for replacement Rear | 8,5 mm |
Brake disc and drum dimensions
| Disc runout Front | 0,05 mm |
|---|---|
| Disc runout Rear | 0.5 mm |
| Minimum pad thickness Front | 1,5 mm |
| Minimum pad thickness Rear | 1.5 mm |
| Minimum shoe thickness Rear | 1 mm |
| Parking brake travel No. of notches | 5-8 |
Service & electrical
Battery
The Mazda 2 Hybrid 1.5 (2022–2026) uses a 12 V, 35 Ah battery.
| Battery V/RC(Ah) | 12 (35) |
|---|
Spark plugs
The Mazda 2 Hybrid 1.5 (2022–2026) uses Bosch 0 242 129 535 spark plugs with a 0,8 mm electrode gap.
| Spark plugs Original equipment | Denso |
|---|---|
| Spark plug Type | FC16HR-Q8 |
| Electrode gap mm | 0,7-0,8 |
| Spark plugs Make | Bosch |
| Spark plug Type | 0 242 129 535 |
| Electrode gap mm | 0,8 |
| Spark plugs Make | Champion |
| Spark plug Type | REA10WYPB |
| Electrode gap mm | 0,7 |
| Spark plugs Make | NGK |
| Spark plug Type | DILKAR6T8 |
| Electrode gap mm | 0,7-0,8 |
Tuning and emissions
| Ignition timing - basic BTDC °Engine/rpm | 10±2/1000 Not adjustable |
|---|---|
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 1000±50 Not adjustable |
| Oil temperature °C | 80° |
| CO level at idle speed - tailpipe Vol. % CO | 0,2 Max Not adjustable |
| HC level at idle speed ppm | 100 |
| CO2 level at idle speed Vol. % CO2 | 14,5-16 |
| O2 level at idle speed Vol. % O2 | 0,1-0,5 |
| CO content at increased idle speed Vol. % | 0,1 |
| Lambda at increased idle λ | 0,97-1,03 |
Service checks and adjustments
| Compression pressure bar | 8,0-9,0 |
|---|---|
| Oil pressure bar/rpm | — |
| Do not drive vehicle in inspection mode as damage to the vehicle may occur. | |
| Radiator cap bar | 0,79-1,23 |
| Thermostat opens °C | 80-84 |
Fuel system
| System pressure bar | 2,8-6,6 |
|---|---|
| Engine coolant temperature (ECT) sensor Ohm/°C | 310-326/80 |
| Injector Ohm | 11,6-12,4 |
| Lambda sensor (Oxygen) heater Ohm | — |
| Lambda sensor (Oxygen) heater | |
| Throttle motor Ohm | 0,3-100 |
Tightening torques
| Cylinder head instructions | — |
|---|---|
| Cylinder head | |
| View more information | — |
| Cylinder head bolts | |
| Tighten | 50 Nm |
| Tighten | 90° |
| Tighten | 90° |
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | — |
| View more information | — |
| Main bearings | |
| Main bearings Stage 1 | 61 Nm |
| Main bearings Stage 2 | 90° |
| Big end bearings Stage 1 | 38 Nm |
| Big end bearings Stage 2 | 90° |
| Sump bolts | — |
| View more information | — |
| Wait 2 hours before starting engine or filling engine with oil to allow sealant to dry. | |
| Sump drain bolt | 40 Nm |
| Flywheel/driveplate | -/150 Nm |
| After installing driveplate wait 1 hour before starting engine. | |
| Crankshaft pulley/damper centre bolt | 260 Nm |
| Camshaft sprocket/gear | — |
| Camshaft sprocket/gear | |
| Camshaft carrier/cap | — |
| View more information | — |
| Camshaft carrier/cap | |
| Camshaft/rocker cover | 8 Nm |
| View more information | — |
| Wait 2 hours before starting engine or filling engine with oil to allow sealant to dry. | |
| Inlet manifold to cylinder head | 24 Nm |
| Exhaust manifold to cylinder head | 26 Nm |
| Exhaust downpipe to manifold | 43 Nm |
| Water pump | 43 Nm |
| Spark plugs | 20 Nm |
| Fuel rail | 29 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 10 Nm |
| Camshaft position (CMP) sensor | 8 Nm |
| Lambda sensor (Oxygen) | 44 Nm |
| Knock sensor (KS) | 20 Nm |
| Engine oil pressure switch | 15 Nm |
| Assemble components within 3 minutes. Do not start engine for 1 hour. | |
| Oil filter | 18 Nm |
| Chassis tightening torques | |
| Front hub | 216 Nm |
| Rear hub - wheel bearing housing bolts | 90 Nm |
| Steering wheel | 62 Nm |
| Steering rack/box mounting | 86 Nm |
| Bolts/nuts | |
| Steering track rod end | 49 Nm |
| Steering track rod end | |
| Brake caliper to carrier Front | 28 Nm |
| Brake caliper/carrier to hub Front | 107 Nm |
| Brake caliper to carrier Rear | 35 Nm |
| Brake caliper/carrier to hub Rear | 107 Nm |
| ABS sensor Front | 9 Nm |
| ABS sensor Rear | 9 Nm |
| Road wheels | 103 Nm |
Air conditioning
| No. of AC service connectors | 2 |
|---|---|
| Air conditioning restrictor type | Expansion valve |
| Compressor clutch/magnetic coupling | No |
| Compressor variable displacement solenoid | No |
| Air conditioning refrigerant Type | R134a/R1234yf |
| Air conditioning refrigerant quantity grams | R134a=450±50 R1234yf=450±30 |
| Air conditioning oil group | POE |
| Air conditioning oil Type | Dens Oil 11 |
| Air conditioning oil quantity cm³ | 65 |
Frequently asked questions
What is the firing order of the Mazda 2 Hybrid 1.5?
The firing order for the Mazda 2 Hybrid 1.5 (2022–2026) is 1-2-3.
What spark plugs does the Mazda 2 Hybrid 1.5 use?
The Mazda 2 Hybrid 1.5 (2022–2026) uses Bosch 0 242 129 535 spark plugs with a 0,8 mm electrode gap.
How much oil does the Mazda 2 Hybrid 1.5 take?
The Mazda 2 Hybrid 1.5 (2022–2026) takes 3.6 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.
What are the valve clearances for the Mazda 2 Hybrid 1.5?
Valve clearances on the Mazda 2 Hybrid 1.5 (2022–2026) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the minimum brake disc thickness for the Mazda 2 Hybrid 1.5?
Brake discs on the Mazda 2 Hybrid 1.5 (2022–2026) are replaced at a minimum thickness of 19 mm (ventilated) front and 8,5 mm rear.
What battery does the Mazda 2 Hybrid 1.5 use?
The Mazda 2 Hybrid 1.5 (2022–2026) uses a 12 V, 35 Ah battery.