The Peugeot TU3JP is a 1,360 cc, inline‑four naturally aspirated petrol engine produced between 1991 and 2000. It features a single overhead camshaft (SOHC), 8‑valve architecture, and a single‑barrel downdraft carburettor (Solex or Weber). Output is rated at 50–55 kW (68–75 PS) with torque between 105–110 Nm, prioritising simplicity and low — cost maintenance for entry‑level urban mobility.
Fitted to models such as the Peugeot 106 and 112 (ZM), the TU3JP was engineere…
Production years 1991–1996 meet Euro 1 standards; 1997–2000 models may have Euro 2 compliance depending on market .
The Peugeot TU3JP is a 1,360 cc inline‑four naturally aspirated petrol engine engineered for compact city cars (1991–2000). It combines SOHC 8‑valve architecture with carburetted fuel delivery to deliver predictable performance and straightforward serviceability. Designed to meet Euro 1 (and some market‑specific Euro 2) standards, it balances urban agility with mechanical simplicity.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,360 cc | |
Fuel type | Petrol (Unleaded, RON 95 min) | |
Configuration | Inline‑4, SOHC, 8‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 75.0 mm × 77.0 mm | |
Power output | 50–55 kW (68–75 PS) | |
Torque | 105–110 Nm @ 2,800–3,200 rpm | |
Fuel system | Single-barrel carburettor (Solex 32/34 Z or Weber 32 DFT) | |
Emissions standard | Euro 1 (pre‑1997); Euro 2 depending on market | |
Compression ratio | 9.3:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Belt‑driven camshaft (front‑mounted) | |
Oil type | PSA 9730.A1 (SAE 10W‑40 mineral) | |
Dry weight | 96 kg |
The Peugeot TU3JP was used across Peugeot's ZM platform with transverse mounting and shared with Citroën for cost‑effective variants. This engine received platform-specific adaptations—revised air filters in the 112 Urban and modified throttle linkages in the 106 S—and from 1996 the facelifted 112 Phase II adopted updated emissions hardware, creating minor interchange limits. Partnerships allowed Citroën AX models to use identical TU3 variants. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The TU3JP is mechanically simple and robust when maintained properly. Key risks include timing belt failure and carburettor issues with modern E10 fuel. Early models (pre‑1998) require ethanol‑resistant carb rebuilds. Adherence to 60,000 km belt changes and use of E5 fuel greatly enhance longevity.
Top issues include timing belt failure, carburettor float seal degradation (especially with E10 fuel), distributor wear causing timing drift, and cam cover oil leaks. These are documented in PSA service bulletins and UK MOT data. Regular maintenance and correct fuel mitigate most risks.
Primarily the Peugeot 112 (ZM, 1991–2000) and early Peugeot 106 (1991–1996). Citroën used it in the AX (1991–1998). All are carburetted 1.4L variants with SOHC 8‑valve architecture, transverse-mounted in PSA’s ZM/XN1 platforms.
Aftermarket ECU tuning is common on the 112-ZM platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
In a Peugeot 112 1.4, expect ~7.5 L/100km (city) and ~5.8 L/100km (highway), or ~38–45 mpg UK combined. Real-world economy depends heavily on driving style, carburettor condition, and use of appropriate fuel (E5 recommended for pre‑1998 units).
Yes. The TU3JP is an interference design. If the timing belt fails or skips, pistons can strike open valves, causing severe internal damage. This makes strict adherence to the 60,000 km belt replacement interval absolutely essential.
PSA specifies 10W‑40 mineral oil meeting PSA 9730.A1 standard. Full synthetics are unnecessary and may increase lifter noise. Change every 10,000–15,000 km to prevent sludge and camshaft wear. Avoid low-SAPS or ACEA C3 oils.
Comprehensive technical documentation and regulatory references
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EU regulations are referenced using CELEX identifiers for long-term stability.
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.
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.
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