The Renault F3P 704 is a 1,721 cc, inline‑four petrol engine produced between 1989 and 1996. It features a cast‑iron block, aluminium head, and a single overhead camshaft (SOHC) with two valves per cylinder. In standard European specification, it produced 66 kW (90 PS) and 135 Nm of torque, offering adequate performance for its era's compact family cars.
Fitted primarily to the Renault 19 (Phase 1) and early Clio models, the F3P 704 was engineered for cost‑effective, relia…
Production years 1989–1996 meet Euro 1 standards .
The Renault F3P 704 is a 1,721 cc inline‑four petrol engine engineered for compact hatchbacks and saloons (1989-1996). It combines a robust cast‑iron block with a simple SOHC valvetrain to deliver dependable, economical performance. Designed to meet Euro 1 standards, it prioritizes serviceability and low running costs over high output.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,721 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, SOHC, 8‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 79.5 mm × 87.0 mm | |
Power output | 66 kW (90 PS) @ 5,500 rpm | |
Torque | 135 Nm @ 3,000 rpm | |
Fuel system | Single‑point injection (or carburettor) | |
Emissions standard | Euro 1 | |
Compression ratio | 9.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain‑driven camshaft | |
Oil type | Mineral 10W‑40 or 15W‑40 | |
Dry weight | Not specified in available documentation |
The Renault F3P 704 was used across Renault's R19 platform with transverse mounting. This engine received minor platform-specific adaptations-different intake manifolds for carburetted vs. injected versions-and no significant facelift revisions during its production run, ensuring broad parts interchangeability. 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 Renault technical bulletins (1990-1997) and owner club maintenance records (1995-2023). 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
Yes, the F3P 704 is renowned for its mechanical simplicity and durability. With regular maintenance, particularly valve adjustments and oil changes, these engines can easily surpass 300,000 km. The main known weakness, the exhaust manifold studs, is easily rectified with updated parts.
The most frequent issues are broken exhaust manifold studs, carburettor or single-point injection tuning problems, and the need for periodic valve clearance adjustments. Oil leaks from the rocker cover gasket are also common on high-mileage engines.
The F3P 704 was primarily used in the first-generation Renault 19 (all trim levels from 1989-1996) and the early first-generation Renault Clio (RN and RT trims from 1991-1996). It was the base 1.7L petrol engine for these models.
Minor gains are possible. Options include fitting a performance exhaust, re-jetting the carburettor, or remapping the injection ECU. Significant power increases are limited by the 8-valve head design. Most tuning focuses on improving drivability rather than peak power.
Real-world fuel economy is around 8.5 L/100km (33 mpg UK) in mixed driving for a Renault 19. Highway cruising can yield 6.5 L/100km (43 mpg UK), while city driving may consume 10.5 L/100km (27 mpg UK). Results vary significantly with driving style and vehicle condition.
No. The F3P 704 is a non-interference engine. If the timing chain were to fail, the pistons and valves will not collide, preventing catastrophic internal damage. This is a key factor in its reputation for reliability.
Renault specified a mineral-based 10W-40 or 15W-40 engine oil for the F3P 704. While modern synthetic oils can be used, a quality mineral or semi-synthetic oil changed every 10,000 km is perfectly adequate and cost-effective for this engine design.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
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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