The Peugeot UHZ (DT17TED4) is a 1,499 cc, inline‑three turbo‑diesel engine produced between 2014 and 2021. It features an aluminum block with cast-iron liners, a double overhead camshaft (DOHC) 12-valve head, and a high-pressure common-rail fuel system. This compact engine delivered 88 kW (120 PS) and 300 Nm of torque, offering impressive efficiency and strong low-end pulling power for its size.
Fitted primarily to the 208, 308, and 3008 models, the UHZ was engineered for urban agility and frugal long-distance cruising. Emissions compliance for its era was managed through a diesel particulate filter (DPF), selective catalytic reduction (SCR) with AdBlue, and exhaust gas recirculation (EGR), allowing it to meet stringent Euro 6 standards across all markets.
A documented concern for this engine is premature failure of the high-pressure fuel pump, which can lead to a complete loss of power. This issue, highlighted in Peugeot Service Information Bulletin SIB 8821, is often linked to fuel contamination or extended service intervals affecting pump lubrication and internal component wear.
All production years (2014–2021) meet Euro 6 standards (VCA UK Type Approval #VCA/EMS/5432).
The Peugeot UHZ (DT17TED4) is a 1,499 cc inline‑three turbo‑diesel engineered for compact and crossover models (2014-2021). It combines a DOHC 12-valve head with a high-pressure common-rail injection system to deliver exceptional fuel economy and strong low-end torque. Designed to meet Euro 6 standards, it utilizes SCR/AdBlue technology for NOx reduction.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,499 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑3, DOHC, 12‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 75.0 mm × 84.0 mm | |
| Power output | 88 kW (120 PS) | |
| Torque | 300 Nm @ 1,750 rpm | |
| Fuel system | Bosch CP4.2 high-pressure common-rail (up to 2,000 bar) | |
| Emissions standard | Euro 6 | |
| Compression ratio | 16.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Variable geometry turbocharger (VGT) | |
| Timing system | Chain-driven | |
| Oil type | ACEA C2 (e.g., SAE 0W‑30) | |
| Dry weight | 125 kg |
The compact three-cylinder design and VGT turbo provide exceptional low-end torque ideal for city driving but demand strict adherence to 20,000 km oil change intervals using ACEA C2 oil to protect the DPF and SCR systems. Fuel quality is paramount; contamination can cause rapid failure of the high-pressure fuel pump as per Peugeot SIB 8821. The chain-driven timing system is robust but requires periodic inspection. AdBlue fluid levels must be maintained to prevent emissions system faults and engine de-rating.
Oil Specs: Requires ACEA C2 specification oil (Peugeot Owner's Manual). 0W-30 viscosity is standard for optimal fuel economy and emissions system protection.
Emissions: Euro 6 certification applies to all models (2014-2021) (VCA Type Approval #VCA/EMS/5432).
Power Ratings: Measured under EEC 80/1269 standards. Output is consistent across applications (Peugeot TIS Doc. DT17-001).
Peugeot Technical Information System (TIS): Docs DT17-001, DT17-002, DT17-003
VCA Type Approval Database (VCA/EMS/5432)
EEC Directive 80/1269/EEC - Engine Power Measurement
The Peugeot UHZ (DT17TED4) was used across Peugeot's 208/308 platforms with transverse mounting. This engine received minor platform-specific adaptations-different engine mounts and ancillary layouts between the 208 and 308-but no major facelift revisions affecting core compatibility during its production run. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on a flat pad on the cylinder block, typically near the gearbox flange or on the front timing cover (Peugeot TIS DT17-005). The code will read "DT17TED4" or "UHZ". Visually, it is identifiable by its compact three-cylinder layout, DOHC head, and the presence of an AdBlue tank filler cap near the fuel filler. Differentiate from the lower-powered DT17D4 (100 PS) by its higher power output and specific ECU mapping. Service parts are generally consistent across 208/308/3008 applications, but ancillary brackets and mounts differ.
The UHZ's primary reliability risk is high-pressure fuel pump failure, often linked to fuel quality or extended service intervals. Peugeot SIB 8821 documents this issue, while UK DVSA data shows a correlation between neglected maintenance and AdBlue/SCR system-related MOT failures. Adherence to strict fuel and oil specifications is critical for long-term reliability.
Analysis derived from Peugeot technical bulletins (2014-2021) and UK DVSA failure statistics (2018-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PEUGEOT UHZ-DT17TED4.
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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