Ford Transit Custom Mk2 NOx Lambda Sensor 2.0 Diesel PZ31-5E145-BC

Ford Transit Custom Mk2 NOx Lambda Sensor 2.0 Diesel is a specialized exhaust system component designed for diesel engines, responsible for precise exhaust gas composition measurement and nitrogen oxide emission control. Thanks to its factory fitment for Ford and a design compliant with the requirements of 2.0 Diesel units, this component helps maintain stable engine operation, proper functioning of exhaust treatment systems, and compliance with emission standards. This is a solution for users looking for a proven, original component instead of random replacements.

Specifications and technical data

• SKU: PZ31-5E145-BC
• Mark: Ford
• Condition: Used
• OEM Part Number: PZ31-5E145-BC
• Substitutable numbers: PZ31-5E145-BC, PZ315E145BC, 2656969
• Fuel type: Diesel
• Category: Oxygen Sensors

The role of the NOx sensor / lambda sensor in the Ford Transit Custom Mk2

The NOx sensor / lambda sensor in a diesel engine is responsible for continuous monitoring of exhaust gas composition, which is crucial for the proper operation of the injection system, the diesel particulate filter, and nitrogen oxide reduction systems. A properly functioning component of this type:

• stabilizes fuel dosage and the operation of the 2.0 Diesel unit under various load conditions,
• reduces the risk of the engine entering limp mode due to emission errors,
• supports maintaining low fuel consumption while meeting required emission standards,
• facilitates computer diagnostics by providing reliable data for the engine control unit. In a commercial vehicle such as the Transit Custom Mk2, this directly translates into operational predictability and reduced service downtime.

Why choose an original Ford component

The original NOx sensor / lambda sensor from the Lambda sensors and O2 sensors group is designed for the specific characteristics of the Ford diesel engine, which translates into:

• precise fitment to the electrical harness and engine control unit,
• consistency with factory injection maps and exhaust system operating strategy,
• lower risk of errors related to incompatible software or measurement parameters. Choosing a used, original component allows you to maintain the factory operating characteristics of the powertrain, which is particularly important in vehicles used professionally, where predictability and repeatability of parameters are essential.

Designed for 2.0 Diesel engines

The presented component has been designed to work with the exhaust system of compression-ignition engines, meaning its measurement characteristics are adapted to the specifics of 2.0 Diesel units. In practice, this means:

• appropriate resistance to temperature and exhaust gas composition typical for diesel engines,
• operating parameters matched to the regeneration strategy and protection of exhaust treatment components,
• the ability to maintain stable emission values under typical commercial vehicle loads. As a result, the NOx sensor / lambda sensor supports both the durability of the exhaust system and the comfort of using the vehicle in daily operation.

Used condition and cost-effectiveness of replacement

The component is offered in used condition, which for many fleet users and workshops represents a reasonable compromise between cost and functionality. With proper diagnostics before installation, such a component allows you to:

• reduce repair costs compared to a new component,
• maintain the original vehicle manufacturer's specifications,
• restore proper operation of the emission system without interfering with the control unit software. This is a particularly attractive solution where restoring vehicle efficiency quickly while maintaining control over the service budget is a priority.

Complementary components and technical knowledge

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Ford and need other components from the same group, such as additional sensors, oxygen sensors, or exhaust measurement elements, check out the available parts in the Ford Lambda sensors and O2 sensors category. When working with components responsible for safety and driving comfort, it is worth knowing the approach to selecting original used components – this is well illustrated by an article on windshield replacement and the sense of using factory second-hand parts: Spider web on the windshield? Why it is better to choose a used original with the manufacturer's logo when replacing. For a better understanding of the connections between the exhaust system, exhaust emissions, and diesel engine power supply, a guide on the fuel system may also be helpful, discussing diagnostics, selection by OEM numbers, and maintenance of key components: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.