Engine & identification
Vehicle identification
| No. of cylinders Type | 4/DOHC |
|---|---|
| Capacity (Fiscal) cc | 1993 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Honda |
| Ignition system Type | PGM-FI |
| Ignition system Description | Map-DI |
| Trigger location | Cam/Crankshaft |
| Fuel system Make | Honda |
| Fuel system Type | PGM-FI |
| Fuel system Description | MFI-s(d) |
| Air metering Type | Mass/MAP |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil supply voltage + with ballast V | 12,0 |
|---|
Firing order
The firing order for the Honda Civic 2.0 e:HEV (2022–2026) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances on the Honda Civic 2.0 e:HEV (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 Honda Civic 2.0 e:HEV (2022–2026) takes 4.0 litres of engine oil with the filter.
The preferred engine oil is SAE 0W-20 for all ambient temperatures.
A listed engine oil option is SAE 0W-20 for all ambient temperatures, with API/ACEA classification /C5.
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-20 |
| Engine oil options | |
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 0W-20 |
| Engine oil classification API/ACEA | /C5 |
| Engine with filter(s) litres | 4.0 |
| Other lubricants and capacities | |
| Automatic transmission fluid Type | Honda HEVF Type-1 |
| Automatic transmission (drain & refill) litres | 2.2 |
| Automatic transmission fluid (ATF) - drain and refill | |
| Automatic transmission (dry fill) litres | 3.2 |
| Automatic transmission fluid (ATF) - dry-fill capacity | |
| Coolant Type | Honda All Season Type 2 |
| Cooling system - total capacity litres | 5.6 |
| Cooling system | |
| Brake fluid Type | DOT 3/4 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Honda Civic 2.0 e:HEV (2022–2026) are replaced at a minimum thickness of 23 mm (ventilated) front and 8 mm rear.
| Minimum disc thickness for replacement - ventilated Front | 23 mm |
|---|---|
| Minimum disc thickness for replacement Rear | 8 mm |
Brake disc and drum dimensions
| Disc thickness variation Front | 0,015 mm |
|---|---|
| Disc thickness variation Rear | 0,015 mm |
| Disc runout Front | 0,04 mm |
| Disc runout Rear | 0,04 mm |
| Minimum pad thickness Front | 1,6 mm |
| Minimum pad thickness Rear | 2 mm |
Service & electrical
Spark plugs
The Honda Civic 2.0 e:HEV (2022–2026) uses Bosch 0 242 140 555 spark plugs with a 1,0 mm electrode gap.
| Spark plugs Original equipment | Denso |
|---|---|
| Spark plug Type | DXE22HQR-D11S |
| Electrode gap mm | 1,0-1,1 |
| Spark plugs Make | Bosch |
| Spark plug Type | 0 242 140 555 |
| Electrode gap mm | 1,0 |
| Spark plugs Make | Champion |
| Spark plug Type | REA8WYPB4 |
| Electrode gap mm | 1,0 |
| Spark plugs Make | NGK |
| Spark plug Type | DILKAR7G11GS |
| Electrode gap mm | 1,1 |
Tuning and emissions
| Ignition timing - basic BTDC °Engine/rpm | 20±2/1200 Not adjustable |
|---|---|
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 1200±50 Not adjustable |
Starting and charging
| Battery V/RC(Ah) | 12 |
|---|
Service checks and adjustments
| Oil pressure bar/rpm | 1,5 Min/1200 |
|---|---|
| Oil pressure | |
| Radiator cap bar | 0,93-1,23 |
| Thermostat opens °C | 80-84 |
Tightening torques
| Cylinder head instructions | — |
|---|---|
| View more information | — |
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | Yes |
| Main bearings Stage 1 | — |
| View more information | — |
| Wait 30 minutes before filling engine with oil. Do NOT start engine for 3 hours. Excess sealant can cause engine damage. | |
| Big end bearings Stage 1 | 20 Nm |
| View more information | — |
| Big end bearings | |
| Big end bearings Stage 2 | 90° |
| Sump bolts | 12 Nm |
| View more information | — |
| Assemble components within 4 minutes. Wait 30 minutes before filling engine with oil. Do NOT start engine for 3 hours. Excess sealant can cause engine damage. | |
| Sump drain bolt | 40 Nm |
| Flywheel/driveplate | -/1)30 Nm 2)74 Nm |
| Crankshaft pulley/damper centre bolt | — |
| Crankshaft pulley/damper centre bolt | |
| Camshaft sprocket/gear | 115 Nm |
| Ensure engine at TDC on No.1 cylinder. | |
| Camshaft carrier/cap | 13 Nm |
| View more information | — |
| Ensure engine at TDC on No.1 cylinder before installing camshafts. | |
| Camshaft/rocker cover | — |
| View more information | — |
| Assemble components within 4 minutes. Wait 30 minutes before filling engine with oil. Do not start engine for 3 hours. | |
| Inlet manifold to cylinder head | 24 Nm |
| Exhaust downpipe to manifold | 54 Nm |
| Water pump | 24 Nm |
| Spark plugs | 22 Nm |
| Fuel rail | 12 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 12 Nm |
| Camshaft position (CMP) sensor | 12 Nm |
| Engine coolant temperature (ECT) sensor | 12 Nm |
| Lambda sensor (Oxygen) | 45 Nm |
| Knock sensor (KS) | 22 Nm |
| Engine oil pressure switch | 22 Nm |
| Oil filter | 12 Nm |
| Chassis tightening torques | |
| Front hub | 245 Nm |
| Rear hub - wheel bearing housing bolts | 108 Nm |
| Steering wheel | 49 Nm |
| Steering rack/box mounting | 92 Nm |
| Steering track rod end | 54 Nm |
| Brake disc to hub Front | 10 Nm |
| Brake caliper to carrier Front | 50 Nm |
| Brake caliper/carrier to hub Front | 108 Nm |
| Brake disc to hub Rear | 10 Nm |
| Brake caliper to carrier Rear | 25 Nm |
| Brake caliper/carrier to hub Rear | 108 Nm |
| Back plate to hub Rear | 10 Nm |
| ABS sensor Front | 10 Nm |
| ABS sensor Rear | 10 Nm |
| Road wheels | 108 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 | R1234yf |
| Air conditioning refrigerant quantity grams | LHD=460±25 RHD=470±25 |
| Air conditioning oil group | POE |
| Air conditioning oil Type | Dens Oil 11 |
| Air conditioning oil quantity cm³ | 128±7 |
Frequently asked questions
What is the firing order of the Honda Civic 2.0 e:HEV?
The firing order for the Honda Civic 2.0 e:HEV (2022–2026) is 1-3-4-2.
What spark plugs does the Honda Civic 2.0 e:HEV use?
The Honda Civic 2.0 e:HEV (2022–2026) uses Bosch 0 242 140 555 spark plugs with a 1,0 mm electrode gap.
How much oil does the Honda Civic 2.0 e:HEV take?
The Honda Civic 2.0 e:HEV (2022–2026) takes 4.0 litres of engine oil with the filter. The preferred engine oil is SAE 0W-20 for all ambient temperatures. A listed engine oil option is SAE 0W-20 for all ambient temperatures, with API/ACEA classification /C5.
What are the valve clearances for the Honda Civic 2.0 e:HEV?
Valve clearances on the Honda Civic 2.0 e:HEV (2022–2026) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the minimum brake disc thickness for the Honda Civic 2.0 e:HEV?
Brake discs on the Honda Civic 2.0 e:HEV (2022–2026) are replaced at a minimum thickness of 23 mm (ventilated) front and 8 mm rear.