Engine Code

Nissan E16S Engine (1985–1990) – Specs, Problems & Compatibility Database

The Nissan E16S is a 1,597 cc, inline‑four naturally aspirated petrol engine produced between 1985 and 1990. It features a cast iron block, aluminum head, single overhead camshaft (SOHC), and electronic fuel injection (ECCS). This design prioritized improved emissions control and fuel efficiency over its carbureted predecessors, delivering outputs of 63–72 kW (86–98 PS).

Fitted to models such as the Nissan Sunny (B12) and Pulsar (N13), the E16S was engineered for dep

BMW N47D20A Engine
Compliance Note:

Production years 1985–1990 meet applicable emissions standards for their respective model years and markets (VCA UK Type Approval data for relevant chassis codes).

Nissan E16S Technical Specifications

The Nissan E16S is a 1,597 cc inline‑four naturally aspirated petrol engine engineered for compact hatchbacks and sedans (1985-1990). It combines a simple SOHC valvetrain with electronic fuel injection (ECCS) to deliver reliable, economical performance with improved emissions. Designed to meet the pre‑Euro emissions standards of its production era, it prioritizes durability and serviceability.

ParameterValueSource
Displacement
1,597 cc
Fuel type
Petrol
Configuration
Inline‑4, SOHC, 8‑valve
Aspiration
Naturally aspirated
Bore × stroke
76.0 mm × 88.0 mm
Power output
63–72 kW (86–98 PS)
Torque
125–135 Nm @ 3,600 rpm
Fuel system
Electronic Fuel Injection (ECCS)
Emissions standard
Pre‑Euro (Market specific)
Compression ratio
9.4:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Chain‑driven
Oil type
SAE 10W‑40 (Mineral/Semi‑Synthetic)
Dry weight
115 kg

Nissan E16S Compatible Models

The Nissan E16S was used across Nissan's B12/N13 platforms with transverse mounting. This engine received minor ECU and emissions adaptations for different global markets. All adaptations are documented in OEM technical bulletins.

Make:
Nissan
Years:
1985–1990
Models:
Sunny (B12)
Variants:
Super Saloon, Milano
View Source
Nissan ESM B12 Sunny
Make:
Nissan
Years:
1986–1990
Models:
Pulsar (N13)
Variants:
Milano, Supersaloon
View Source
Nissan ESM N13 Pulsar

Common Reliability Issues - NISSAN E16S Compatible Models

The E16S's primary reliability risk is ECCS ignition module failure, with elevated incidence in hot/humid climates or with poor electrical grounding. Nissan service data indicates ignition faults were a common cause for workshop visits, while UK DVSA records note fuel system issues in neglected vehicles. Ensuring a dry, clean ECU environment and solid electrical connections make regular inspection critical.

ECCS ignition module failure
Symptoms: Intermittent misfires, engine stalling, difficulty starting, or complete no-start condition.
Cause: Heat stress or moisture ingress damaging the internal circuitry of the ignition module, preventing spark generation.
Fix: Replace the faulty ignition module with a new OEM-specified unit; inspect and clean all associated electrical connectors and grounds.
Throttle position sensor (TPS) malfunction
Symptoms: Hesitation on acceleration, rough idle, poor fuel economy, erratic engine behavior.
Cause: Wear or contamination of the TPS potentiometer track, leading to inaccurate throttle position signals sent to the ECU.
Fix: Clean the TPS contacts with electronic cleaner or replace the sensor with a new OEM part; perform ECU relearn procedure if required.
Valve clearance issues
Symptoms: Ticking noise from the top of the engine (valve train), reduced power, increased fuel consumption.
Cause: Wear on valve stems, rocker arms, or cam lobes causing clearances to grow beyond specification, reducing valve lift duration.
Fix: Adjust valve clearances to factory specification using feeler gauges during routine maintenance (every 40,000 km).
Oil leaks from valve cover gasket
Symptoms: Oil residue on the top/rear of the engine, burning smell, drips on the garage floor or exhaust manifold.
Cause: Age-hardened or shrunken valve cover gasket losing its seal, or overtightened cover bolts warping the cover.
Fix: Replace the valve cover gasket with a new OEM part; clean mating surfaces thoroughly and torque bolts to spec in sequence.
Research Basis

Analysis derived from Nissan technical bulletins (1985-1990) and UK DVSA failure statistics (historical data). Repair procedures should follow manufacturer guidelines.

NISSAN E16S FAQ Common Questions Answered

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

Yes, the E16S is generally reliable long-term if basic maintenance is observed. Its simple SOHC design and non-interference layout are robust. Key to longevity is regular oil changes, timely valve adjustments, and addressing the known ECCS ignition module weakness. Many examples have surpassed 250,000 km with proper care.

The most common issues are ECCS ignition module failure causing no-start or misfires, throttle position sensor (TPS) malfunctions leading to drivability problems, valve clearance needing adjustment, and oil leaks from the valve cover gasket. These are well-documented in Nissan service manuals.

The E16S was primarily used in the Nissan Sunny (B12: 1985-1990) and Nissan Pulsar (N13: 1986-1990) across various global markets. It was typically fitted to higher-spec variants like the Super Saloon and Milano, replacing the carbureted E16 in these trims.

Modest power gains are possible. Common upgrades include a performance air filter, free-flow exhaust, and ensuring the ECCS system is in perfect working order. Significant power increases are limited by the SOHC 8-valve head design. Tuning is popular for its simplicity and low cost, focusing on drivability rather than high horsepower.

Fuel economy is very good for its era. In a Nissan Sunny B12, expect around 7.5–8.0 L/100km (35–38 mpg UK) combined in real-world driving. Highway cruising can yield figures closer to 6.0–6.5 L/100km (43–47 mpg UK), depending on condition and driving style.

No. The Nissan E16S is a non-interference engine. This means that if the timing chain were to break or jump, the pistons will not contact the valves. This design significantly reduces the risk of catastrophic engine damage from timing component failure.

Nissan recommends a high-quality mineral or semi-synthetic SAE 10W-40 engine oil. Regular oil and filter changes every 10,000 km (or 6 months) are crucial for engine longevity, especially to protect the timing chain tensioner system from sludge buildup.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Transparency in Gaps

If a data point is not officially disclosed, it is marked 'Undisclosed'.

Regulatory Stability

EU regulations are referenced using CELEX identifiers for long-term stability.

Primary Sources

NISSAN 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.

Methodology

Data Compilation

All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialNISSAN documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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