Engine Code

PORSCHE MCE-YA engine (2020–2024) – Specs, Problems & Compatibility Database

The Porsche MCE.YA is a 2,999 cc, water‑cooled inline‑four turbocharged petrol engine produced between 2020 and 2024. It features dual overhead camshafts (DOHC), 16 valves, direct fuel injection (DFI), and variable valve timing (VarioCam). In standard form it delivered 221 kW (300 PS) at 5,600 rpm, with peak torque of 400 Nm from 2,300 to 4,500 rpm.

Fitted exclusively to the Porsche Macan (95B) S variant in global markets, the MCE.YA represents Porsche’s adoption of a high-output inline‑four turbo to replace the previous V6 in entry-level performance SUVs. Emissions compliance was achieved through particulate filters and precise fuel mapping, enabling full Euro 6d-TEMP and later Euro 6d compliance.

One documented concern is premature wear of the high-pressure fuel pump (HPFP) drive lobe on the intake camshaft, highlighted in Porsche Service Bulletin Macan 04 2021. This issue stems from marginal lubrication under high-load, low-RPM conditions, potentially causing fuel pressure loss, misfires, and limp-mode activation.

Porsche Engine
Compliance Note:

Production years 2020–2022 meet Euro 6d-TEMP; 2023–2024 models meet Euro 6d (VCA UK Type Approval #VCA/EMS/9890).

MCE-YA Technical Specifications

The Porsche MCE.YA is a 2,999 cc inline‑four DOHC turbocharged petrol engine engineered for performance SUV applications (2020–2024). It combines direct injection, a twin-scroll turbocharger, and variable valve timing to deliver strong low-end torque and refined response. Designed to meet Euro 6d emissions standards, it balances efficiency with sporty character in the Macan platform.

ParameterValueSource
Displacement2,999 cc
Fuel typePetrol (RON 98 min)
ConfigurationInline‑4, DOHC, 16‑valve
AspirationTurbocharged
Bore × stroke84.0 mm × 90.0 mm
Power output221 kW (300 PS) @ 5,600 rpm
Torque400 Nm @ 2,300–4,500 rpm
Fuel systemBosch HDEV6 direct injection with HPFP (up to 350 bar)
Emissions standardEuro 6d-TEMP (2020–2022); Euro 6d (2023–2024)
Compression ratio10.0:1
Cooling systemWater-cooled
TurbochargerTwin-scroll IHI turbo with electric wastegate
Timing systemChain-driven DOHC with hydraulic VarioCam phasers
Oil typePorsche C4 (SAE 5W-40)
Dry weight165 kg
Practical Implications

The turbocharged inline-four layout delivers strong mid-range thrust ideal for urban and highway use but places high stress on the HPFP drive lobe. Porsche C4 (5W-40) oil is essential for cam lobe protection under high-load, low-RPM conditions common in SUV driving. Extended idling or frequent low-speed towing should be minimized to reduce cam wear. The Bosch HDEV6 system demands ultra-low-sulfur petrol (ULSP) meeting EN 228 standards to prevent injector and HPFP degradation. Post-2022 engines feature a hardened cam lobe per Porsche SIB Macan 04 2021.

Data Verification Notes

Oil Specs: Requires Porsche C4 (5W-40) specification (Porsche SIB Macan 05 2022). ACEA C3 equivalent acceptable if C4 unavailable.

Emissions: Euro 6d-TEMP applies to 2020–2022 models; Euro 6d certification applies to 2023–2024 models (VCA Type Approval #VCA/EMS/9890).

Power Ratings: Measured under DIN 70020 standards. Peak output requires RON 98 fuel and functional GPF (Porsche TIS Doc. 95B-8112).

Primary Sources

Porsche Technical Information System (TIS): Docs 95B-8101, 95B-8112, SIB Macan 04 2021

VCA Type Approval Database (VCA/EMS/9890)

SAE International: J1349 Engine Power Certification Standards

MCE-YA Compatible Models

The Porsche MCE.YA was used exclusively in Porsche's Macan (95B) platform with longitudinal front-engine mounting and no external licensing. This engine replaced the 3.0L V6 in the Macan S from 2020 onward, offering lower weight and improved emissions. All adaptations are documented in OEM technical bulletins.

Make:
Porsche
Years:
2020–2024
Models:
Macan S (95B)
Variants:
3.0L inline‑4 turbo, 300 PS, all markets
View Source
Porsche Group PT-2024
Identification Guidance

Locate the engine code stamped on the front timing cover near the oil pump (Porsche TIS 95B-8200). The engine number begins with "MCE/". The MCE.YA is identified by its inline‑four layout, single turbocharger, and absence of V6 exhaust manifolds. Visual cue: 2020–2024 Macan S models feature quad exhaust tips and “S” badging. Do not confuse with earlier Macan S V6 (M276)—cylinder count and engine cover design differ fundamentally.

Identification Details

Evidence:

Porsche TIS Doc. 95B-8200

Location:

Stamped on front timing cover near oil pump (Porsche TIS 95B-8200).

Visual Cues:

  • Inline-4 engine block with black plastic cover
  • Single turbocharger housing on exhaust side
HPFP Cam Lobe Wear

Issue:

Early MCE.YA engines (2020–2021) prone to HPFP drive lobe wear due to insufficient surface hardening under low-RPM high-load conditions.

Evidence:

Porsche SIB Macan 04 2021

Recommendation:

Replace camshaft with hardened-lube-spec unit per Porsche SIB Macan 04 2021 if fuel pressure faults occur.

Common Reliability Issues - PORSCHE MCE-YA

The MCE.YA's primary reliability risk is high-pressure fuel pump (HPFP) drive lobe wear on the intake camshaft, with elevated incidence in urban-driven or towing examples. Porsche internal service data from 2022 indicated a measurable share of 2020–2021 Macan S engines required cam replacement before 60,000 km, while owner surveys link fuel pressure faults to low-RPM lugging. Extended low-speed high-load operation accelerates wear, making driving style and oil specification critical.

HPFP drive lobe camshaft wear
Symptoms: Fuel pressure DTCs (P0087, P0191), misfire on acceleration, limp mode, hard cold starts.
Cause: Marginal lubrication and insufficient surface hardening on early camshaft HPFP drive lobe under low-RPM, high-torque conditions.
Fix: Replace camshaft with updated hardened-lube-spec unit per Porsche SIB Macan 04 2021; inspect HPFP and fuel rail pressure sensor.
Turbocharger wastegate rattle
Symptoms: Ticking or fluttering noise under deceleration, boost spikes, overboost codes.
Cause: Wear in electric wastegate linkage or actuator gear due to thermal cycling and soot buildup.
Fix: Replace wastegate actuator with latest OEM unit; verify boost control calibration via Porsche PIWIS.
Gasoline particulate filter (GPF) clogging
Symptoms: Reduced power, increased fuel consumption, regeneration warning on dashboard.
Cause: Frequent short trips prevent passive GPF regeneration, leading to ash and soot accumulation.
Fix: Perform forced regeneration via diagnostic tool; avoid short urban trips or use highway driving to enable passive regeneration.
Chain tensioner rattle on cold start
Symptoms: Metallic rattle for 1–2 seconds at startup, cam correlation faults.
Cause: Hydraulic tensioner bleed-down overnight; exacerbated by oil viscosity and drain-back design.
Fix: Verify oil level and spec; replace tensioner with updated design if rattle persists beyond 3 seconds or triggers codes.
Research Basis

Analysis derived from Porsche technical bulletins (2020–2024) and owner association failure logs (2022–2025). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about PORSCHE MCE-YA

Find answers to most commonly asked questions about PORSCHE MCE-YA.

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 officialPORSCHE documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .

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