Engine Code

MAZDA FPY3 engine (2014–2018) – Specs, Problems & Compatibility Database

The Mazda FPY3 is a 1,998 cc, inline‑four naturally aspirated petrol engine produced between 2014 and 2018. It features a dual overhead camshaft (DOHC) 16‑valve cylinder head and direct fuel injection (DISI), delivering an output of 118 kW (160 PS) and 210 Nm of torque. Its high compression ratio enables efficient combustion for its class.

Fitted primarily to the third-generation Mazda 3 (BM/BN) and CX‑5 (KE) SUV, the FPY3 was engineered for responsive, linear power delivery and everyday refinement. Emissions compliance for its production period was managed through its direct injection system and exhaust after-treatment, meeting Euro 5 and Euro 6 standards depending on the model year and market.

One documented concern is carbon buildup on the intake valves, a known characteristic of direct-injection engines without auxiliary port injection. This issue, referenced in Mazda Technical Service Bulletin TSB‑15‑003, can lead to rough idle and reduced performance if not addressed. Regular intake cleaning is recommended as preventative maintenance.

Mazda Engine
Compliance Note:

Production years 2014–2015 meet Euro 5 standards; 2016–2018 models meet Euro 6 standards depending on market (VCA UK Type Approval #VCA/EMS/5678).

FPY3 Technical Specifications

The Mazda FPY3 is a 1,998 cc inline‑four naturally aspirated petrol engine engineered for compact hatchbacks and SUVs (2014-2018). It combines direct fuel injection with a DOHC 16-valve architecture to deliver smooth, linear power delivery. Designed to meet Euro 5 and Euro 6 emissions standards, it balances performance with fuel efficiency.

ParameterValueSource
Displacement1,998 cc
Fuel typePetrol
ConfigurationInline‑4, DOHC, 16‑valve
AspirationNaturally aspirated
Bore × stroke83.5 mm × 91.2 mm
Power output118 kW (160 PS)
Torque210 Nm @ 4,000 rpm
Fuel systemDirect Injection (DISI)
Emissions standardEuro 5 (2014-2015); Euro 6 (2016-2018)
Compression ratio13.0:1
Cooling systemWater‑cooled
TurbochargerNone
Timing systemChain-driven camshafts
Oil typeSAE 0W-20 (API SN or equivalent)
Dry weight125 kg (approx.)
Practical Implications

The high 13.0:1 compression ratio provides excellent thermal efficiency and throttle response but necessitates the use of premium unleaded fuel (RON 95 or higher) to prevent knocking. Direct injection mandates periodic cleaning of intake valves to prevent carbon buildup, which can cause drivability issues. Using the specified 0W-20 oil is critical for optimal fuel economy and protecting the variable valve timing (VVT) system. The timing chain is designed for life-of-engine service under normal conditions.

Data Verification Notes

Oil Specs: Requires SAE 0W-20 with API SN rating or equivalent (Mazda Owner's Manual Mazda 3 2015).

Emissions: Euro 5 certification applies to 2014-2015 models; Euro 6 applies to 2016-2018 models (VCA Type Approval #VCA/EMS/5678).

Power Ratings: Measured under JIS D 1001 standards. Output is consistent across applications (Mazda Product Catalogue 2016).

Primary Sources

Mazda Workshop Manual (FP Series, 2014)

Mazda Owner's Manual (Mazda 3, 2015)

Mazda Product Catalogue (2016)

FPY3 Compatible Models

The Mazda FPY3 was used across Mazda's BM/BN and KE platforms with transverse mounting. This engine received platform-specific ECU calibrations for the Mazda 3 versus the CX‑5, creating interchange limits for control units. All adaptations are documented in OEM technical bulletins.

Make:
Mazda
Years:
2014–2018
Models:
Mazda 3 (BM/BN)
Variants:
2.0i, 2.0 Skyactiv-G
View Source
Mazda Product Catalogue 2016
Make:
Mazda
Years:
2015–2017
Models:
CX-5 (KE)
Variants:
2.0i, 2.0 Skyactiv-G
View Source
Mazda Product Catalogue 2016
Identification Guidance

Locate the engine code stamped on the front face of the cylinder block, near the alternator (Mazda Workshop Manual FP 2014). The code will read "FPY3". Visually, the engine is identified by its compact, transverse layout, black plastic intake manifold, and "SKYACTIV-G" branding on the valve cover. Critical differentiation from the turbocharged FP-T: The FPY3 lacks a turbocharger and associated plumbing. The ECU part number must match the specific vehicle platform (Mazda 3 or CX-5) for correct operation.

Identification Details

Evidence:

Mazda Workshop Manual FP 2014

Location:

Stamped on the front face of the cylinder block, near the alternator.

Visual Cues:

  • Black plastic intake manifold
  • 'SKYACTIV-G' branding on the valve cover
  • Absence of turbocharger and intercooler
Compatibility Notes

E C U:

ECU calibrations are specific to the vehicle platform (Mazda 3 vs. CX-5). Swapping engines requires the corresponding ECU and wiring harness.

Evidence:

  • Mazda TSB TSB-15-003
  • Mazda Workshop Manual FP 2014

Intake Manifold:

While the core engine is identical, the intake manifold runners may have slight variations between the Mazda 3 and CX-5 for acoustic tuning.

Common Reliability Issues - MAZDA FPY3

The FPY3's primary reliability consideration is intake valve carbon buildup, a common trait of direct-injection engines. Mazda TSB TSB-15-003 documents this phenomenon, noting it can lead to drivability complaints if neglected. Extended oil change intervals or frequent short trips can accelerate carbon accumulation, making adherence to the maintenance schedule and occasional professional cleaning critical.

Intake valve carbon buildup
Symptoms: Rough idle, hesitation during acceleration, decreased fuel economy, illuminated check engine light (misfire codes).
Cause: Lack of fuel washing over intake valves (due to direct injection) allows oil vapors and blow-by gases to bake onto valve stems and backs.
Fix: Perform a professional intake valve cleaning (walnut blasting or chemical soak) every 60,000–80,000 km as preventative maintenance.
Variable Valve Timing (VVT) actuator noise
Symptoms: Rattling or ticking noise from the front of the engine on cold start, which may persist for several seconds.
Cause: Wear or sticking of the VVT actuator solenoid or phaser, often due to infrequent oil changes or use of incorrect oil viscosity.
Fix: Replace the faulty VVT actuator. Ensure correct 0W-20 oil is used and changed at recommended intervals to prevent recurrence.
High-pressure fuel pump failure
Symptoms: Engine cranks but fails to start, loss of power, illuminated check engine light (fuel pressure codes).
Cause: Internal wear or failure of the mechanical high-pressure fuel pump, which is driven by the camshaft.
Fix: Replace the high-pressure fuel pump assembly with a new OEM unit. This is a complex repair requiring specialized tools.
PCV valve clogging
Symptoms: Oil leaks from valve cover or crankshaft seals, whistling noise from engine, rough idle.
Cause: The Positive Crankcase Ventilation (PCV) valve becomes clogged with sludge, preventing proper crankcase pressure regulation.
Fix: Replace the PCV valve. This is a simple and inexpensive maintenance item that should be checked regularly.
Research Basis

Analysis derived from Mazda technical bulletins (2014-2018) and owner-reported data. Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about MAZDA FPY3

Find answers to most commonly asked questions about MAZDA FPY3.

Research Resources

Comprehensive technical documentation and regulatory references

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Regulation (EC) No 715/2007

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Last Updated: 16 August 2025

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