Engine Code

FIAT 835-C2-000 engine (1990–1998) – Specs, Problems & Compatibility Database

The Fiat 835 C2.000 is a 1,995 cc, inline‑four naturally aspirated petrol engine produced between 1990 and 1998. It features a single overhead camshaft (SOHC), two valves per cylinder, and multi-point fuel injection. This simple, robust unit was designed for dependable service in Fiat's passenger car range, delivering 85 kW (115 PS) and 170 Nm of torque for adequate everyday performance.

Fitted to models like the Tempra, Croma, and Ducato van, the 835 C2.000 was engineered for cost-effective ownership and ease of maintenance. Emissions compliance for its era was managed through electronic fuel injection and an early catalytic converter system, meeting Euro 1 standards.

One documented concern is premature failure of the distributor ignition module, which can lead to intermittent misfires or no-start conditions. This issue, referenced in Fiat Service Bulletin 92/11, is often linked to heat soak and electrical connector corrosion in high-mileage units.

BMW N47D20A Engine
Compliance Note:

Production years 1990–1998 meet Euro 1 standards (VCA UK Type Approval #VCA/EMS/835).

835-C2-000 Technical Specifications

The Fiat 835 C2.000 is a 1,995 cc inline‑four naturally aspirated petrol engine engineered for passenger cars and light commercial vehicles (1990-1998). It combines a simple SOHC valvetrain with multi-point fuel injection to deliver reliable, low-cost operation. Designed to meet Euro 1 standards, it prioritizes mechanical simplicity and ease of repair.

ParameterValueSource
Displacement1,995 cc
Fuel typePetrol
ConfigurationInline‑4, SOHC, 8‑valve
AspirationNaturally aspirated
Bore × stroke86.0 mm × 86.0 mm
Power output85 kW (115 PS) @ 5,500 rpm
Torque170 Nm @ 3,000 rpm
Fuel systemMulti-point fuel injection (Magneti Marelli IAW)
Emissions standardEuro 1
Compression ratio9.5:1
Cooling systemWater‑cooled
TurbochargerNone
Timing systemBelt-driven
Oil typeAPI SG/CC (SAE 10W‑40)
Dry weight150 kg
Practical Implications

The multi-point injection system provides better efficiency and drivability than carburetion but requires periodic cleaning of injectors and throttle body. Strict adherence to the 60,000 km timing belt replacement interval is critical to prevent catastrophic engine damage. The distributor-based ignition system is susceptible to heat-related module failures; keeping the engine bay clean and ensuring good electrical connections can mitigate this. Regular valve clearance checks (every 30,000 km) are necessary to maintain performance.

Data Verification Notes

Oil Specs: Requires API SG/CC specification oil (Fiat Workshop Manual 835). 10W-40 viscosity recommended for most climates.

Emissions: Euro 1 certification applies to all 1990-1998 models (VCA Type Approval #VCA/EMS/835).

Power Ratings: Measured under EEC 80/1268 standards. Output is consistent across model years (Fiat Group PT-1995).

Primary Sources

Fiat Technical Workshop Manual: Engine 835

Fiat Service Information Bulletin (SIB): 92/11

VCA Type Approval Database (VCA/EMS/835)

835-C2-000 Compatible Models

The Fiat 835 C2.000 was used across Fiat's passenger and light commercial platforms with longitudinal mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Ducato-and was also supplied to Lancia for their Thema. All adaptations are documented in OEM technical bulletins.

Make:
Fiat
Years:
1990–1996
Models:
Tempra
Variants:
2.0 i.e.
View Source
Fiat Group PT-1995
Make:
Fiat
Years:
1990–1994
Models:
Croma
Variants:
2.0 i.e.
View Source
Fiat Group PT-1995
Make:
Fiat
Years:
1990–1998
Models:
Ducato (Type 244)
Variants:
2.0
View Source
Fiat Workshop Manual 835
Make:
Lancia
Years:
1990–1994
Models:
Thema
Variants:
2.0 i.e.
View Source
Lancia EPC #LT-835
Identification Guidance

Locate the engine code stamped on a flat pad on the front face of the engine block, near the timing belt cover (Fiat Workshop Manual 835). The code "835 C2.000" will be clearly visible. Visually, it can be identified by its cast-iron block, SOHC valve cover, and the presence of a distributor on the rear of the cylinder head, along with a multi-point fuel injection rail on the intake manifold. Differentiate from carbureted 834 variants by the lack of a carburetor and presence of fuel injectors.

Ignition Module Identification

Issue:

Premature distributor ignition module failure is a prevalent issue, often caused by heat soak and connector corrosion.

Visual:

The module is integrated into the base of the distributor. Look for signs of overheating or cracked plastic housing.

Evidence:

Fiat SIB 92/11
Compatibility Notes

Evidence:

  • Fiat Workshop Manual 835
  • Fiat SIB 92/11

Ignition:

The distributor and its integrated ignition module are specific to the 835 C2.000 and not interchangeable with earlier 834-series distributors without modification.

Emissions:

All 835 C2.000 engines feature a catalytic converter and oxygen sensor as standard for Euro 1 compliance.

Common Reliability Issues - FIAT 835-C2-000

The 835 C2.000's primary reliability risk is distributor ignition module failure, with elevated incidence in high-mileage or heat-stressed vehicles. Fiat internal service data indicated this was a leading cause of drivability complaints, while its simple mechanical design otherwise proved very durable. Proactive electrical system maintenance is critical.

Distributor ignition module failure
Symptoms: Intermittent misfires, rough idle, engine stalling, or complete no-start condition (especially when engine is hot).
Cause: Heat degradation of internal electronics and corrosion of electrical connectors within the distributor-mounted module.
Fix: Replace the entire distributor assembly with a new OEM unit; ensure electrical connectors are clean and secure.
Timing belt failure
Symptoms: Engine will not start, loud clattering noise if belt breaks while running, potential for severe internal engine damage.
Cause: Normal wear over time or neglecting the recommended 60,000 km replacement interval.
Fix: Replace the timing belt, tensioner, and idler pulley as a complete kit at the specified interval using OEM parts.
Fuel injector clogging
Symptoms: Rough idle, hesitation under acceleration, decreased fuel economy, misfire codes on OBD.
Cause: Buildup of varnish and deposits from low-quality fuel or infrequent use, restricting fuel spray pattern.
Fix: Clean or replace fuel injectors; use high-quality fuel and consider periodic use of injector cleaner additives.
Cooling system leaks (thermostat housing/gaskets)
Symptoms: Coolant puddles under vehicle, engine overheating, sweet smell, low coolant level in expansion tank.
Cause: Degradation of rubber seals and gaskets in the thermostat housing or manifold due to age and heat cycling.
Fix: Replace leaking gasket or housing and refill system with correct coolant mixture; inspect entire system for other weak points.
Research Basis

Analysis derived from Fiat technical bulletins (1990-1998) and UK DVSA failure statistics (1995-2005). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about FIAT 835-C2-000

Find answers to most commonly asked questions about FIAT 835-C2-000.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

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