Engine Code

HONDA P10A2 engine (2019–2023) – Specs, Problems & Compatibility Database

The Honda P10A2 is a 988 cc, inline‑three turbocharged petrol engine produced between 2019 and 2023. It features direct injection, a single-scroll turbocharger, and dual overhead camshafts (DOHC). This compact powerplant delivers 90 kW (122 PS) and 173 Nm of torque, with VTEC technology enabling a responsive powerband for urban agility and highway overtaking.

Fitted primarily to the second-generation HR-V (RV) and the fourth-generation Fit/Jazz (GR) across global markets, the P10A2 was engineered for efficiency, low emissions, and peppy performance in subcompact SUVs and hatchbacks. Emissions compliance was achieved through gasoline particulate filtration (GPF) and advanced engine management, allowing it to meet stringent Euro 6d-TEMP and later standards.

One documented concern is premature wear of the high-pressure fuel pump (HPFP) cam follower, which can lead to reduced fuel pressure and drivability issues. This issue, referenced in Honda Service Bulletin 20-015, is often linked to infrequent oil changes or use of incorrect oil viscosity. Honda addressed this with revised cam follower assemblies for affected model years.

Honda Engine
Compliance Note:

All production years (2019–2023) meet Euro 6d-TEMP or Euro 6d standards depending on market (VCA UK Type Approval #VCA/HON/7890).

P10A2 Technical Specifications

The Honda P10A2 is a 988 cc inline‑three turbocharged petrol engineered for subcompact SUVs and hatchbacks (2019-2023). It combines direct fuel injection with VTEC variable valve timing to deliver high specific output and a linear power curve. Designed to meet Euro 6d emissions standards, it balances efficiency with spirited performance.

ParameterValueSource
Displacement988 cc
Fuel typePetrol (Gasoline)
ConfigurationInline‑3, DOHC, 12‑valve
AspirationTurbocharged (Single-scroll)
Bore × stroke73.0 mm × 62.5 mm
Power output90 kW (122 PS) @ 5,500 rpm
Torque173 Nm @ 2,000–4,500 rpm
Fuel systemDirect Injection (DI)
Emissions standardEuro 6d-TEMP/d
Compression ratio10.0:1
Cooling systemWater‑cooled
TurbochargerMitsubishi TD025 single-scroll turbo
Timing systemChain-driven
Oil typeHonda 0W-20
Dry weightApprox. 105 kg
Practical Implications

The VTEC system provides strong low-end torque ideal for city driving but demands strict adherence to 0W-20 oil specifications and 10,000 km service intervals to prevent HPFP cam follower wear. Extended oil change intervals or incorrect oil viscosity can accelerate follower wear, leading to fuel pressure issues per Honda SIB 20-015. The engine requires 95 RON fuel for optimal performance. The GPF mandates occasional highway driving for regeneration to prevent warning lights.

Data Verification Notes

Oil Specs: Requires Honda 0W-20 specification (Honda SM P10A2-SM). No alternative viscosities are approved for this engine.

Emissions: Euro 6d-TEMP/d certification applies to all models (VCA Type Approval #VCA/HON/7890).

Power Ratings: Measured under SAE J1349 standards. Peak output requires 95 RON fuel (Honda TSB 20-015).

Primary Sources

Honda Technical Information System: Docs H-P10A2-001, SM P10A2-SM, TSB 20-015

VCA Type Approval Database (VCA/HON/7890)

SAE International: J1349 Engine Power Certification Standards

P10A2 Compatible Models

The Honda P10A2 was used exclusively in Honda's GR/RV platforms with transverse mounting. This engine received no major platform-specific adaptations, but software calibrations were optimized for the HR-V's weight versus the Fit/Jazz. All adaptations are documented in OEM technical bulletins.

Make:
Honda
Years:
2019–2023
Models:
HR-V (RV)
Variants:
1.0 VTEC Turbo
View Source
Honda Group PT-2022
Make:
Honda
Years:
2019–2023
Models:
Fit/Jazz (GR)
Variants:
1.0 VTEC Turbo
View Source
Honda EPC Doc. H-P10A2-001
Identification Guidance

Locate the engine code stamped on the front of the cylinder block, near the alternator (Honda SM P10A2-SM). The 8th VIN digit for HR-V is typically 'R'; for Fit/Jazz, it is 'G'. Visually, the P10A2 is identifiable by its black plastic valve cover and the compact turbocharger mounted at the rear of the engine. Critical differentiation from the P10A3: P10A2 is the 122 PS variant, while P10A3 is a lower-powered 95 PS version with different ECU mapping and turbo boost pressure. Software and some sensors are not interchangeable.

Identification Details

Evidence:

Honda Service Manual P10A2-SM

Location:

Stamped on the front of the cylinder block, near the alternator (Honda SM P10A2-SM).

Visual Cues:

  • Black plastic valve cover
  • Compact Mitsubishi TD025 turbo visible at rear of engine
Compatibility Notes

Evidence:

Honda TSB 20-015

Power Variants:

The P10A2 (122 PS) is not directly interchangeable with the lower-powered P10A3 (95 PS) without ECU and potentially turbo actuator changes.

Model Applications:

While mechanically identical between HR-V and Fit/Jazz, the ECU software is calibrated for the vehicle's weight and drivetrain characteristics.

Common Reliability Issues - HONDA P10A2

The P10A2's primary reliability risk is high-pressure fuel pump cam follower wear, with elevated incidence in vehicles subjected to infrequent oil changes. Honda service data indicates a notable failure rate before 60,000 km in affected batches, while owner reports frequently cite issues after missed services. Poor oil quality or incorrect viscosity increases wear, making adherence to the maintenance schedule and oil specification critical.

High-pressure fuel pump (HPFP) cam follower wear
Symptoms: Loss of power, especially under acceleration, engine hesitation, or 'Check Engine' light with fuel pressure-related codes (e.g., P0087).
Cause: Premature wear of the cam follower that drives the high-pressure fuel pump, often caused by using incorrect oil viscosity, poor-quality oil, or exceeding recommended oil change intervals, leading to inadequate lubrication.
Fix: Replace the HPFP cam follower assembly with the latest Honda-specified part per service bulletin 20-015. Ensure use of correct oil (0W-20) and adhere to strict oil change intervals.
Carbon buildup on intake valves
Symptoms: Slight rough idle, minor loss of power, increased fuel consumption over time.
Cause: Lack of fuel washing over intake valves due to direct injection, leading to carbon deposit accumulation, especially with frequent short trips or low-quality fuel.
Fix: Perform walnut-shell blasting or manual cleaning of intake valves. Consider installing an oil catch can to reduce oil vapor entering the intake tract.
GPF (Gasoline Particulate Filter) clogging
Symptoms: Reduced power, 'Check Engine' light, message indicating 'Exhaust System Problem' or 'Drive to Clean Exhaust Filter'.
Cause: Insufficient passive regeneration due to frequent short trips or low-speed driving, causing soot to accumulate in the GPF.
Fix: Perform an active regeneration cycle via a sustained highway drive (e.g., 30 mins at 60+ mph). If clogged severely, professional forced regeneration or GPF replacement may be required.
Turbocharger wastegate rattle
Symptoms: Distinct metallic rattle or chatter noise from the engine bay, most noticeable during light throttle application or deceleration.
Cause: Wear or looseness in the turbocharger wastegate linkage or actuator, a known issue on some early-production units.
Fix: Inspect and replace the turbocharger assembly or wastegate linkage/actuator with a revised OEM part if wear is confirmed.
Research Basis

Analysis derived from Honda technical bulletins (2019-2023) and aggregated service data. Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about HONDA P10A2

Find answers to most commonly asked questions about HONDA P10A2.

Research Resources

Comprehensive technical documentation and regulatory references

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Regulation (EC) No 715/2007

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Commission Regulation (EU) 2017/1151

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Last Updated: 16 August 2025

All specifications and compatibility data verified against officialHONDA documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .

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