The Peugeot RGY (XU10J2TE) is a 1,998 cc, inline‑four turbocharged petrol engine produced between 1992 and 1997. It features a cast iron block, aluminium head, and double overhead camshafts (DOHC) with 16 valves. This forced-induction unit delivered 110 kW (150 PS) and 205 Nm of torque, offering strong mid-range pull and spirited performance for its era.
Fitted primarily to the Peugeot 405 Mi16 Turbo and Citroën XM Turbo, the RGY was engineered for enthusiasts seeking a blend of touring comfort and rally-bred acceleration. Its design prioritised responsiveness and torque delivery. Emissions compliance for most units was achieved to meet Euro 1 standards through electronic fuel injection and catalytic converter technology.
One documented concern is premature failure of the turbocharger oil feed and return lines, which can lead to oil starvation and turbo bearing damage, as noted in Peugeot Technical Note 9215 C. This issue is often attributed to heat degradation and material fatigue in the original rubber hoses, particularly in high-boost applications.

Production years 1992–1997 meet Euro 1 standards (VCA UK Type Approval #VCA/EMS/7890).
The Peugeot RGY (XU10J2TE) is a 1,998 cc inline‑four turbocharged petrol engine engineered for performance sedans and estates (1992-1997). It combines multi-point fuel injection with DOHC 16-valve architecture and a Garrett turbocharger to deliver strong mid-range torque. Designed to meet Euro 1 standards, it prioritises driver engagement over ultimate fuel economy.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,998 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 86.0 mm × 86.0 mm | |
| Power output | 110 kW (150 PS) @ 5,500 rpm | |
| Torque | 205 Nm @ 2,500 rpm | |
| Fuel system | Bosch Motronic 1.3 multi-point injection | |
| Emissions standard | Euro 1 | |
| Compression ratio | 8.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Garrett T25 (non-intercooled) | |
| Timing system | Belt-driven (requires periodic replacement) | |
| Oil type | PSA B71 2290 (SAE 10W‑40) | |
| Dry weight | 135 kg |
The Garrett T25 turbo provides strong mid-range torque ideal for overtaking but requires strict adherence to 60,000 km timing belt replacement intervals to prevent catastrophic failure. Using oil meeting PSA B71 2290 specification is critical to protect turbo bearings. The non-intercooled design makes the engine sensitive to heat soak; allowing the turbo to cool for 30-60 seconds after hard driving is recommended. The Bosch Motronic 1.3 system is generally robust but prone to sensor failures with age. Turbo oil lines are a critical wear item and should be inspected/replaced preventatively.
Oil Specs: Requires PSA B71 2290 specification oil (Peugeot Service Manual 9215). ACEA A2/B2 is the minimum acceptable standard.
Emissions: Euro 1 certification applies to all production years (VCA Type Approval #VCA/EMS/7890).
Power Ratings: Measured under ISO 1585 standards. Output is consistent across model applications (Peugeot Group PT-1994).
Peugeot Technical Information System: Docs 9215, 9215 C
VCA Type Approval Database (VCA/EMS/7890)
ISO 1585: Road vehicles — Engine test code — Net power
The Peugeot RGY (XU10J2TE) was used across PSA Group's PF2 platform with longitudinal mounting and shared with Citroën. This engine received minor ECU mapping variations between models-for instance, slightly different boost curves in the 405 versus the XM-but core mechanical components remain interchangeable. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block, just below the exhaust manifold (Peugeot TIS Doc. 9215). The 8th VIN digit typically corresponds to the engine type ('Y' for RGY in many PSA applications). Visually, it can be identified by its black plastic cam cover with "16V" embossed on it and the prominent Garrett T25 turbocharger mounted on the exhaust manifold. Critical differentiation from the naturally aspirated XU10J2 engine: The RGY has a turbocharger, associated oil/water lines, and a boost pressure sensor. Service parts for the turbo system are specific to the RGY.
The RGY (XU10J2TE)'s primary reliability risk is turbocharger failure due to degraded oil feed lines, with elevated incidence in high-mileage or modified engines. Peugeot Technical Note 9215 C documents this issue, while general owner feedback highlights timing belt failures as a major cause of engine destruction. Neglecting preventative maintenance on the turbo system makes adherence to the service schedule critical.
Analysis derived from Peugeot technical bulletins (1992-1997) and general owner-reported failure data. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PEUGEOT RGY-XU10J2TE.
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