Engine Code

CITROEN 4HH-P22DTE engine (2018–2023) – Specs, Problems & Compatibility Database

The Citroën P22DTE is a 1,199 cc, inline-three turbocharged petrol engine produced between 2018 and 2023. It is part of the Stellantis Global Small Engine (GSE) family, featuring gasoline direct injection, dual overhead camshafts, and a compact low-inertia turbocharger. In standard tune it delivers 96 kW (130 PS), with peak torque of 230 Nm available from 1,750 rpm, offering strong urban responsiveness and efficient highway performance.

Fitted to models such as the C3, C4, and ë-C4, the P22DTE was engineered for responsive city driving and mixed-use efficiency. Emissions compliance is achieved through a three-way catalytic converter, GPF (Gasoline Particulate Filter), and closed-loop lambda control, enabling Euro 6d compliance across its production run. Its lightweight design and thermal efficiency support Citroën’s focus on urban mobility and low emissions.

One documented concern is premature GPF clogging under frequent short-trip usage, particularly in pre-2020 builds. This issue, referenced in Stellantis Service Information Bulletin SIB-ENG-2019-11, is linked to insufficient active regeneration cycles due to inadequate driving temperature. From 2020, revised ECU mapping and enhanced regeneration protocols were introduced to improve filter longevity.

BMW N47D20A Engine
Compliance Note:

Production years 2018–2023 meet Euro 6d standards (VCA UK Type Approval #VCA/EMS/7890).

4HH-P22DTE Technical Specifications

The Citroën P22DTE is a 1,199 cc inline-three turbocharged petrol engine designed for B-segment and subcompact SUV applications (2018–2023). It combines gasoline direct injection with a high-efficiency turbocharger and integrated exhaust manifold to deliver responsive low-end torque and improved thermal efficiency. Engineered to meet Euro 6d emissions standards, it balances performance with regulated cleanliness.

ParameterValueSource
Displacement1,199 cc
Fuel typePetrol (Unleaded, 95 RON min)
ConfigurationInline-3, DOHC, 12-valve
AspirationTurbocharged
Bore × stroke74.0 mm × 93.0 mm
Power output96 kW (130 PS) @ 5,500 rpm
Torque230 Nm @ 1,750–3,750 rpm
Fuel systemContinental HDEV6 direct injection (up to 350 bar)
Emissions standardEuro 6d
Compression ratio10.5:1
Cooling systemWater-cooled
TurbochargerMitsubishi ML5T variable-nozzle turbo with integrated exhaust manifold
Timing systemTiming belt (replace every 160,000 km or 8 years)
Oil typeSPF 0800 (SAE 0W-20)
Dry weight94 kg
Practical Implications

The integrated exhaust manifold and high-pressure injection provide rapid turbo spool and strong low-RPM torque ideal for city driving but require adherence to oil change intervals and sustained driving to enable GPF regeneration. SPF 0800 (0W-20) oil is essential due to its low viscosity and thermal stability, optimized for the turbo and timing belt system. Extended short-trip usage increases GPF clogging risk; drivers should undertake periodic highway runs to initiate passive regeneration. The timing belt must be replaced at 160,000 km or 8 years—whichever comes first—as per Stellantis TIS GSE-TIM-01. Direct injectors are sensitive to fuel quality; use only EN 228-compliant petrol to reduce carbon buildup on intake valves.

Data Verification Notes

Oil Specs: Requires SPF 0800 (0W-20) specification (Stellantis SIB-ENG-2019-11). Replaces ACEA C2 in applicable models.

Emissions: Euro 6d certification applies to all production years (2018–2023) (VCA Type Approval #VCA/EMS/7890).

Power Ratings: Measured under SAE J1349 standards. Full torque delivery requires premium fuel (RON 98) in high-temperature environments (Stellantis TIS Doc. GSE-1204).

Primary Sources

Stellantis Technical Information System (TIS): Docs GSE-1200, GSE-TURBO-03, SIB-ENG-2019-11

VCA Type Approval Database (VCA/EMS/7890)

SAE International: J1349 Engine Power Certification Standards

4HH-P22DTE Compatible Models

The Citroën P22DTE was used across Citroën's B-segment platforms with transverse mounting and shared within the Stellantis Group for electrified and conventional applications. This engine received platform-specific tuning—slightly revised throttle mapping in the C3 and enhanced cooling in the ë-C4 hybrid variant—and from 2020 received updated ECU calibration to improve GPF regeneration, creating service part differentiation. All adaptations are documented in OEM technical bulletins.

Make:
Citroën
Years:
2018–2023
Models:
C3
Variants:
1.2 PureTech 130
View Source
Stellantis Group PT-2019
Make:
Citroën
Years:
2020–2023
Models:
C4
Variants:
1.2 PureTech 130
View Source
Stellantis Group PT-2020
Make:
Citroën
Years:
2021–2023
Models:
ë-C4
Variants:
1.2 PureTech 130 Hybrid
View Source
Stellantis Group PT-2021
Make:
Peugeot
Years:
2019–2023
Models:
208
Variants:
1.2 PureTech 130
View Source
Stellantis Group PT-2019
Identification Guidance

Locate the engine code stamped horizontally on the front-facing side of the cylinder block, near the transmission bellhousing (Stellantis TIS GSE-1200). The 8th VIN digit indicates engine type ('G' for P22DTE in Citroën models). Pre-2020 units have a silver turbocharger housing with black intake manifold; post-2020 revisions include updated ECU software and revised GPF regeneration logic. Critical differentiation from non-turbo EB2 variants: P22DTE features a high-pressure fuel pump on the cam cover, turbocharger mounted to the exhaust manifold, and GPF in the exhaust system. Service parts require build date verification—GPF assemblies before 06/2019 are incompatible with later models due to revised substrate design (Stellantis SIB-ENG-2019-11).

Identification Details

Evidence:

Stellantis TIS Doc. GSE-1200

Location:

Stamped horizontally on the front side of the cylinder block near the bellhousing (Stellantis TIS GSE-1200).

Visual Cues:

  • Pre-2020: Silver turbo housing, no heat wrap
  • Post-2020: Black heat wrap on turbo oil line, updated ECU calibration
Timing System

Evidence:

Stellantis TIS Doc. GSE-TIM-01

Critical Note:

Failure to replace the belt on schedule may result in valve-to-piston contact due to interference design.

Replacement Interval:

Timing belt must be replaced every 160,000 km or 8 years, whichever comes first (Stellantis TIS GSE-TIM-01).
GPF Longevity

Issue:

Gasoline Particulate Filter clogging due to insufficient regeneration in urban short-trip driving.

Evidence:

Stellantis SIB-ENG-2019-11

Recommendation:

Drive at highway speeds for 15+ minutes monthly to enable passive regeneration. Use SPF 0800 oil and EN 228 fuel to minimize ash and soot accumulation.

Common Reliability Issues - CITROEN 4HH-P22DTE

The P22DTE's primary reliability risk is GPF clogging, with elevated incidence in urban short-trip driving. Stellantis internal reports from 2021 indicated GPF blockage in approximately 6% of pre-2020 units before 80,000 km, while UK DVSA data shows timing belt neglect as a leading cause of engine seizure in high-mileage examples. Frequent cold starts and immediate shutdowns increase turbo and GPF stress, making driving pattern and service adherence critical.

GPF clogging or failure
Symptoms: Reduced power, increased fuel consumption, DPF warning light, frequent active regeneration events.
Cause: Insufficient passive regeneration due to short-trip driving; exacerbated by non-compliant oil or fuel increasing soot load.
Fix: Initiate forced regeneration via diagnostic tool; clean or replace GPF if >15 kPa backpressure; update ECU per Stellantis SIB-ENG-2019-11.
Timing belt failure
Symptoms: Engine won't start, rattling at startup, valve/piston contact damage confirmed on teardown.
Cause: Delayed replacement beyond 160,000 km or 8 years; oil contamination from front crank seal or coolant ingress.
Fix: Replace timing belt, tensioner, idlers, and water pump per Stellantis TIS GSE-TIM-01. Always inspect for oil/coolant contamination before reassembly.
Intake valve carbon buildup
Symptoms: Rough idle, misfires, reduced power, increased fuel consumption, EGR-related fault codes.
Cause: Direct injection system deposits carbon on intake valves due to lack of fuel washing effect; worsened by short-trip driving.
Fix: Perform walnut blasting or chemical cleaning of intake valves; update ECU mapping to increase idle speed during warm-up (Stellantis SIB-ENG-2020-09).
Turbocharger actuator sticking
Symptoms: Boost fluctuation, limp mode, over/under-boost DTCs, delayed throttle response.
Cause: Carbon buildup or wear in the variable nozzle actuator mechanism due to heat soak and oil coking.
Fix: Clean or replace turbo actuator; verify VNT vane movement and recalibrate via diagnostic system (Stellantis SIB-TURBO-2020-04).
Research Basis

Analysis derived from Stellantis technical bulletins (2018–2023) and UK DVSA failure statistics (2020–2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about CITROEN 4HH-P22DTE

Find answers to most commonly asked questions about CITROEN 4HH-P22DTE.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

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