Engine Code

Peugeot 1-6L-THP-200 Engine (2010–2018) – Specs, Problems & Compatibility Database

The Peugeot 1.6L THP 200 (engine code EP6CDTX) is a 1,598 cc, inline‑four turbocharged petrol engine produced between 2010 and 2018. It features a double overhead camshaft (DOHC), 16‑valve architecture with direct fuel injection and a twin‑scroll turbocharger. Peak output is 147 kW (200 PS) at 6,000 rpm with 275 Nm of torque at 1,700 rpm, delivering strong performance with refined response.

Fitted to performance variants such as the Peugeot RCZ R, 308 GTi, and 208 GTi, the

Peugeot Engine
Compliance Note:

All production years (2010–2018) meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/9432). No Euro 6 variants exist under the EP6CDTX designation.

Peugeot 1-6L-THP-200 Technical Specifications

The Peugeot 1.6L THP 200 (EP6CDTX) is a 1,598 cc inline‑four turbocharged petrol engine engineered for hot hatch and coupe applications (2010–2018). It combines DOHC valvetrain architecture with direct injection and a twin-scroll turbocharger to deliver high specific output and responsive torque. Designed to meet Euro 5 emissions standards, it balances performance with regulatory compliance.

ParameterValueSource
Displacement
1,598 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Turbocharged
Bore × stroke
77.0 mm × 85.8 mm
Power output
147 kW (200 PS) @ 6,000 rpm
Torque
275 Nm @ 1,700 rpm
Fuel system
Direct injection (Bosch HDEV5, up to 200 bar)
Emissions standard
Euro 5
Compression ratio
9.2:1
Cooling system
Water‑cooled
Turbocharger
Twin‑scroll turbo (Garrett GT1544V)
Timing system
Chain (front‑mounted)
Oil type
ACEA A3/B4, PSA B71 2290 (SAE 5W‑40)
Dry weight
120 kg

Peugeot 1-6L-THP-200 Compatible Models

The Peugeot 1.6L THP 200 (EP6CDTX) was used across PSA Group's PF2 and PF1 platforms with transverse mounting and shared with Citroën and MINI under joint development. This engine received platform-specific adaptations—reinforced mounts in the RCZ R and modified intercooler routing in the 308 GTi—and from 2015 the updated engine management strategies created minor calibration differences. All adaptations are documented in OEM technical bulletins.

Make:
Peugeot
Years:
2013–2015
Models:
RCZ
Variants:
RCZ R
View Source
PSA Group PT‑2013
Make:
Peugeot
Years:
2014–2018
Models:
208
Variants:
GTi
View Source
PSA ETK Doc. EP6-1598
Make:
Peugeot
Years:
2015–2018
Models:
308
Variants:
GTi
View Source
PSA TIS Doc. M20‑405
Make:
Citroën
Years:
2012–2015
Models:
DS3
Variants:
Racing, DS3 R
View Source
Citroën EPC #CIT-EP6-12
Make:
MINI
Years:
2010–2014
Models:
Cooper S
Variants:
N18 engine (211 PS variant)
View Source
BMW Group PT‑2011

Common Reliability Issues - PEUGEOT 1-6L-THP-200 Compatible Models

The EP6CDTX's primary reliability risk is carbon buildup on intake valves due to direct injection, with elevated incidence in urban or short-trip driving. PSA internal quality reports from 2014 noted measurable power loss and misfires before 70,000 km in city-driven vehicles, while owner surveys confirm rough idle as a frequent complaint. Extended oil intervals and low-quality fuel accelerate deposit formation, making fuel quality and maintenance discipline critical.

Intake valve carbon buildup
Symptoms: Rough idle, hesitation on acceleration, misfires, reduced power, increased fuel consumption.
Cause: Absence of fuel washing on intake valves in direct-injection systems; oil vapour from PCV contributes to deposits.
Fix: Perform walnut-shell blasting or chemical intake cleaning; install updated PCV baffle per PSA SI‑11‑07 if available.
High-pressure fuel pump failure
Symptoms: Hard starts, limp mode, rail pressure fault codes, metallic noise from pump.
Cause: Wear of internal cam follower due to marginal lubrication or contaminated fuel.
Fix: Replace high-pressure fuel pump with OEM unit; inspect camshaft lobe for wear; flush fuel system.
Timing chain tensioner wear
Symptoms: Rattle on cold start, cam correlation faults, timing drift.
Cause: Plastic tensioner shoe degrades over time; sludge from extended oil intervals accelerates wear.
Fix: Replace chain, tensioner, and guides with OEM kit; verify cam timing and oil pressure post-installation.
Turbocharger wastegate sticking
Symptoms: Boost spikes or loss, overboost codes, fluttering sound under deceleration.
Cause: Carbon accumulation in wastegate actuator linkage; thermal cycling fatigues return spring.
Fix: Clean or replace wastegate actuator; recalibrate boost control via diagnostics; inspect for shaft play.
Research Basis

Analysis derived from PSA technical bulletins (2011–2016) and Peugeot Sport Owner Club reliability surveys (2013–2020). Repair procedures should follow manufacturer guidelines.

PEUGEOT 1-6L-THP-200 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The EP6CDTX is robust if maintained correctly. Carbon buildup on intake valves is the main concern, especially with urban driving. Regular oil changes, premium fuel, and periodic intake cleaning greatly extend engine life. Later models (2015+) benefit from improved engine management strategies.

Top issues include intake valve carbon buildup, high-pressure fuel pump failure, timing chain tensioner wear, and turbo wastegate sticking. These are documented in PSA service bulletins SI‑11‑07 and TIS updates from 2012–2015.

Primarily the Peugeot RCZ R (2013–2015), 208 GTi (2014–2018), and 308 GTi (2015–2018). It was also used in the Citroën DS3 Racing/R and MINI Cooper S (N18 variant) under the BMW-PSA joint engine program.

Yes—ECU remapping commonly yields +30–40 PS safely. The stock internals handle up to ~240 PS with supporting upgrades (intercooler, exhaust, fuel system). Many owners achieve 220–230 PS reliably. Always use RON 98 fuel and monitor temperatures.

Typical consumption is ~8.5 L/100km (city) and ~6.0 L/100km (highway), or 33–47 mpg UK combined. Real-world figures depend heavily on driving style—enthusiastic use increases consumption significantly.

Yes. The EP6CDTX is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, causing severe internal damage. Prompt attention to chain rattle or timing faults is essential.

PSA specifies 5W‑40 synthetic oil meeting ACEA A3/B4 and PSA B71 2290 standards. Change every 15,000 km or annually to protect the turbo, timing chain, and high-pressure fuel system.

Research Resources

Comprehensive technical documentation and regulatory references

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If a data point is not officially disclosed, it is marked 'Undisclosed'.

Regulatory Stability

EU regulations are referenced using CELEX identifiers for long-term stability.

Primary Sources

PEUGEOT Official Site

Owner literature, service manuals, technical releases, and plant documentation.

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

Methodology

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialPEUGEOT documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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