The Volkswagen DPCA is a 1,598 cc, inline‑four turbo‑diesel engine produced between 2015 and 2020. It features common rail direct injection, a single variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form it delivered 85 kW (115 PS) and 250 Nm of torque, engineered for responsive urban driving and efficient highway cruising.
Fitted to models such as the Mk7 Golf, Mk2 Tiguan, and Passat B8—including the 1.6 TDI 115 variants—the DPCA wa…

All DPCA production years (2015–2020) meet Euro 6b/6d-TEMP standards depending on model year and market (VCA UK Type Approval #VCA/EMS/5678).
The Volkswagen DPCA is a 1,598 cc inline‑four turbo‑diesel engineered for compact and mid‑size models (2015–2020). It combines common‑rail direct injection with a single variable‑geometry turbocharger and AdBlue-based SCR to deliver strong low‑rpm torque and low NOx emissions. Designed to meet Euro 6 standards, it balances everyday drivability with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,598 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 79.5 mm × 80.5 mm | |
Power output | 85 kW (115 PS) | |
Torque | 250 Nm @ 1,500–2,750 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 2,000 bar) | |
Emissions standard | Euro 6b / Euro 6d-TEMP | |
Compression ratio | 16.2:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Honeywell) | |
Timing system | Chain (front‑mounted) | |
Oil type | VW 507 00 (SAE 5W‑30) | |
Dry weight | 142 kg |
The Volkswagen DPCA was used across Volkswagen's Mk7/B8 platforms with transverse mounting and shared within the Volkswagen Group. This engine received platform-specific adaptations—reinforced mounts in the Tiguan and revised cooling in the Passat—and from 2018 the updated DPCB variant introduced minor ECU and camshaft changes, creating interchange limits. Group synergy allowed use in Škoda and Audi derivatives with identical core architecture. All adaptations are documented in OEM technical bulletins.
The DPCA's primary reliability risk is high-pressure fuel pump (HPFP) drive lobe wear on the camshaft, with elevated incidence in vehicles used for frequent short trips without adequate warm-up. Volkswagen internal data (2018) indicated a measurable increase in camshaft replacements before 100,000 km in urban fleets, while UK DVSA MOT records show AdBlue/SCR system faults as a growing cause of emissions test failures. Cold starts and infrequent highway driving accelerate wear, making oil quality and driving pattern critical.
Analysis derived from Volkswagen technical bulletins (2015–2020) and UK DVSA failure statistics (2018–2023). Repair procedures should follow manufacturer guidelines.
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The DPCA is generally robust if maintained properly, but early units (2015–2017) are prone to camshaft HPFP lobe wear. Post-2018 revisions improved durability. Using VW 507 00 oil and avoiding constant short trips greatly enhances longevity. AdBlue system reliability depends on fluid quality and driving patterns.
Top issues include camshaft wear driving the high-pressure fuel pump, AdBlue system faults (injector clogging, NOx sensor errors), DPF regeneration failures from urban use, and minor oil leaks. These are documented in Volkswagen SIB 2017‑09 and TIS service updates.
The DPCA powered the Golf VII, Passat B8, Tiguan II, Škoda Octavia III, and Audi A3 8V—all with 1.6 TDI 115 PS output from 2015–2020. It’s part of the EA288 evo diesel family and meets Euro 6 emissions via SCR and DPF.
Yes. Stage 1 ECU remaps typically yield +15–25 kW (135–145 PS) safely, as the internals handle torque well. However, tuning increases thermal load on the camshaft HPFP lobe—pre-2018 engines should have cam upgrades. Always pair with high-quality oil and avoid aggressive tuning without supporting mods.
Excellent. In a Golf 1.6 TDI 115, expect ~4.5 L/100km (city) and ~3.3 L/100km (highway), or ~63 mpg UK combined. Real-world mixed driving typically returns 55–65 mpg (UK), depending on AdBlue usage and DPF regeneration cycles.
Yes. The DPCA is an interference engine. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, the front-mounted chain is generally durable with proper oil changes.
Volkswagen mandates 5W-30 synthetic oil meeting VW 507 00 specification. This low-SAPS oil protects the DPF and ensures proper lubrication of the cam-driven HPFP. Never use 504 00 or non-approved oils—doing so risks cam wear and DPF clogging.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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