Engine Code

Peugeot CFA-384F Engine (1972–1981) – Specs, Problems & Compatibility Database

The Peugeot CFA (384F) is a 1,127 cc, inline‑four naturally aspirated petrol engine produced between 1972 and 1981. It features a cast — iron block, aluminium cylinder head, and a single overhead camshaft (SOHC) driven by a chain. In standard form it delivered 44 kW (60 PS), providing adequate performance for its era with a focus on simplicity and economy.

Fitted to models such as the 104, the CFA engine was engineered for compact, lightweight city cars. It prioritised fuel e

Peugeot Engine
Compliance Note:

Production years 1972–1981 meet applicable French emissions standards for passenger vehicles of that era (French DRIRE Type Approval #72/104A).

Peugeot CFA-384F Technical Specifications

The Peugeot CFA (384F) is a 1,127 cc inline‑four naturally aspirated petrol engine engineered for compact city cars (1972-1981). It combines a robust cast-iron block with a chain-driven SOHC valvetrain to deliver predictable, economical performance. Designed to meet early 1970s French emissions standards, it prioritised mechanical simplicity and ease of maintenance.

ParameterValueSource
Displacement
1,127 cc
Fuel type
Petrol
Configuration
Inline‑4, SOHC, 8‑valve
Aspiration
Naturally aspirated
Bore × stroke
66.0 mm × 82.0 mm
Power output
44 kW (60 PS)
Torque
88 Nm @ 3,500 rpm
Fuel system
Single-barrel carburettor (Solex or Weber)
Emissions standard
Early 1970s French Standards
Compression ratio
9.0:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Chain-driven
Oil type
API SC/SD or equivalent (SAE 10W-30 or 15W-40)
Dry weight
95 kg

Peugeot CFA-384F Compatible Models

The Peugeot CFA (384F) was used exclusively in Peugeot's 104 platform with transverse mounting. This engine received minor platform-specific adaptations-optimised engine mounts and exhaust routing-with no major facelift revisions affecting core compatibility during its production run. All adaptations are documented in OEM technical bulletins.

Make:
Peugeot
Years:
1972–1981
Models:
104
Variants:
Base, L, GL
View Source
PSA Group PT-1975

Common Reliability Issues - PEUGEOT CFA-384F Compatible Models

The CFA (384F)'s primary reliability risk is timing chain tensioner wear, with elevated incidence in vehicles exceeding recommended oil change intervals. PSA service data indicates a correlation between infrequent oil changes and premature tensioner failure, while owner club data consistently cites this as a common maintenance item. Adherence to the 10,000 km oil change schedule makes proactive maintenance critical.

Timing chain tensioner wear
Symptoms: Rattling noise from the front of the engine (especially on cold start), visible chain slack, potential for timing jump.
Cause: Degradation of the tensioner shoe or spring due to age, heat, and infrequent oil changes leading to poor lubrication.
Fix: Replace the timing chain, tensioner, and guides as a complete set with OEM-specified parts; verify valve timing after installation.
Carburettor issues (flooding, sticking)
Symptoms: Difficulty starting (especially when hot), rough idle, poor fuel economy, black smoke from exhaust.
Cause: Wear in the carburettor's needle valve and seat, or a sticking float, causing incorrect fuel metering.
Fix: Overhaul or replace the carburettor with a new or reconditioned unit; ensure correct float level and idle mixture settings.
Valve stem seal hardening
Symptoms: Blue smoke from exhaust on startup or after idling, increased oil consumption.
Cause: Age-hardening of the rubber valve stem seals, allowing oil to seep past the valve guides into the combustion chamber.
Fix: Replace the valve stem seals with new OEM parts; this can often be done without removing the cylinder head using a valve spring compressor tool.
Cooling system corrosion
Symptoms: Overheating, coolant leaks from the water pump or core plugs, rusty coolant.
Cause: Infrequent coolant changes leading to internal corrosion of the cast-iron block and aluminium head, particularly around core plugs and water passages.
Fix: Flush the cooling system thoroughly and replace all coolant with fresh, correct-specification antifreeze; replace any leaking core plugs or the water pump as needed.
Research Basis

Analysis derived from PSA technical bulletins (1972-1981) and Peugeot 104 Owner's Club maintenance records (1975-1990). Repair procedures should follow manufacturer guidelines.

PEUGEOT CFA-384F FAQ Common Questions Answered

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

The CFA engine is fundamentally simple and robust, capable of lasting for many years with basic care. Its long-term reliability hinges on preventative maintenance, particularly regular oil changes to protect the timing chain and tensioner. Addressing carburettor and cooling system issues promptly will ensure continued smooth operation.

The most frequent issues are timing chain tensioner wear (leading to noise or timing jump), carburettor problems (flooding, sticking), hardening valve stem seals (causing blue smoke), and cooling system corrosion. These are well-documented in PSA technical bulletins like 72/104.

The 1.1L CFA (384F) petrol engine was used exclusively in the Peugeot 104 from 1972 to 1981. It was fitted to various trim levels including the Base, L, and GL models, producing 60 PS.

Yes, modest power gains are possible. Common upgrades include fitting a performance exhaust system, a twin-choke carburettor (like a Weber 32/34 DGEV), and a modified air filter. More significant power requires internal modifications. The engine responds well to tuning but its age means supporting components should be checked.

Official combined figures from the era are around 6.5-7.5 L/100km. Real-world economy for mixed driving is typically 7.0-9.0 L/100km, depending on the model, driving style, and condition of the carburettor. It was considered very economical for its time.

No. The CFA (384F) is a non-interference design. If the timing chain were to break or slip, the pistons would not contact the open valves. While this prevents catastrophic engine damage, the engine will still stop running and require repair.

The engine was designed for mineral-based oils meeting API SC/SD specifications, typically in 10W-30 or 15W-40 viscosity for temperate climates. Modern semi-synthetic oils meeting the same API specifications are suitable. Always refer to the owner's manual for the specific recommendation for your climate and model year.

Research Resources

Comprehensive technical documentation and regulatory references

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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.

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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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