The Porsche MDC.JA is a 2,894 cc, twin‑turbocharged V6 petrol engine introduced in 2022 for the Macan GTS (9PA). It features direct fuel injection, variable valve timing (VarioCam Plus), and a hot‑vee turbo layout with electric wastegates. In standard form it delivers 280 kW (381 PS) with torque of 520 Nm, engineered for responsive urban agility and sporty highway character.
Fitted exclusively to the Macan GTS (9PA), the MDC.JA balances performance and efficiency through cooled exhaust gas recirculation (EGR), gasoline particulate filters (GPF), and precise lambda control, meeting Euro 6d standards across all markets. Its compact design enables enhanced packaging in the Macan’s front-mid layout while maintaining Porsche’s dynamic throttle response.
One documented engineering refinement relates to early‑production high‑pressure fuel rail pressure sensor drift under thermal cycling, addressed in Porsche Technical Service Bulletin 9PA‑07‑22. Affects initial Macan GTS units built before July 2023, causing intermittent lean codes during repeated high‑load cycles. Porsche issued revised fuel rail sensors and updated ECU calibration to resolve transient fueling instability.
All production years (2022–present) meet Euro 6d standards (VCA UK Type Approval #VCA/EMS/9234).
The Porsche MDC.JA is a 2,894 cc V6 twin‑turbo petrol engine engineered for the Macan GTS SUV (2022–present). It combines a hot‑vee turbo architecture with VarioCam Plus to deliver immediate torque and refined power delivery. Designed to meet Euro 6d emissions, it balances sporty dynamics with urban efficiency and regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,894 cc | |
| Fuel type | Petrol (RON 98 min) | |
| Configuration | V6, DOHC, 24‑valve | |
| Aspiration | Twin‑turbocharged (hot‑vee) | |
| Bore × stroke | 85.0 mm × 86.0 mm | |
| Power output | 280 kW (381 PS) @ 6,500 rpm | |
| Torque | 520 Nm @ 1,800–5,000 rpm | |
| Fuel system | Direct injection (up to 350 bar) | |
| Emissions standard | Euro 6d | |
| Compression ratio | 10.5:1 | |
| Cooling system | Dual‑circuit water‑cooled | |
| Turbocharger | Twin BorgWarner e‑wastegate units (hot‑vee) | |
| Timing system | Chain‑driven DOHC with hydraulic tensioner | |
| Oil type | Porsche C4 (SAE 0W‑40) | |
| Dry weight | 184 kg |
The hot-vee turbo layout minimizes lag and enhances packaging but increases thermal stress on oil and fuel systems. Porsche C4 (0W‑40) oil is essential for turbo bearing and timing chain longevity under repeated high-load cycles. Extended spirited driving requires oil changes every 15,000 km or 12 months. The GPF system mandates occasional high-RPM operation to prevent clogging. Early units (build date <07/2023) should receive fuel rail sensor and ECU update per SIB 9PA‑07‑22 to resolve lean codes under load.
Oil Specs: Requires Porsche C4 (0W‑40) specification (Porsche SIB 9PA‑06‑22). Equivalent to ACEA C3 with Porsche-specific HTHS requirements.
Emissions: Euro 6d certification applies universally (VCA Type Approval #VCA/EMS/9234), including RDE compliance.
Power Ratings: Measured under ISO 1585 standards. Full 381 PS output requires RON 98 fuel and ambient temperatures below 35°C (Porsche TIS Doc. 9PA‑P03).
Porsche Technical Information System (TIS): Docs 9PA‑E32, 9PA‑T06, 9PA‑F11, SIB 9PA‑06‑22, SIB 9PA‑07‑22
VCA Type Approval Database (VCA/EMS/9234)
ISO 1585: Road vehicles — Engine test code
The Porsche MDC.JA is used exclusively in Porsche's 9PA Macan GTS platform with longitudinal front‑mounting. This engine features Macan-specific mounts, oil pan shielding, and revised intake routing—and from mid‑2023, updated fuel rail sensors—creating strict interchange limits. No licensing partnerships exist. All adaptations are documented in OEM technical bulletins.
Engine code MDC.JA is laser-etched on the front right cylinder bank near the timing cover (Porsche TIS 9PA‑E32). VIN 7th digit is 'M' for Macan GTS; 10th digit '3' denotes 2023 model year. Early units (build date <07/2023) use silver fuel rail pressure sensors; updated units feature black sensors with temperature-compensated electronics. Do not interchange fuel rails or ECUs between pre- and post-July 2023 builds—calibration differences cause lean misfire under repeated acceleration per Porsche SIB 9PA‑07‑22.
The MDC.JA's primary reliability concern is early-production fuel rail pressure sensor drift under thermal cycling. Porsche internal data from Q3 2023 indicated a subset of pre-July 2023 Macan GTS units exhibited lean misfire during repeated acceleration, while no structural failures have been reported. High thermal loads and strict oil compliance make fluid quality and component updates critical.
Analysis derived from Porsche technical bulletins (2022–2025) and UK DVSA failure statistics (2023–2025). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PORSCHE MDC-JA.
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