40443002 Throttle Position Sensor for Fiat / Ducati / Chery

Design Features:

• Rolling element bearings at both ends to reduce rotational friction

• Non-contact angle sensor unit design (PCB-free)

• Integrated EMC noise suppression circuitry

• Cylindrical body with flanged tabs for secure mounting

• Corrosion-resistant polymer body

• 30% lighter than traditional metal connectors

The Throttle Position Sensor 40443002 is identified by the following Original Equipment (OE) reference numbers and cross-references:

Additional Cross-References:

Common Reference Designations:

• Throttle Position Sensor (TPS)

• Accelerator Throttle Position Sensor

• Butterfly Position Sensor

The Throttle Position Sensor 40443002 is designed for compatibility with a range of vehicles across multiple automotive manufacturers, with primary applications in Fiat and Ducati models, as well as Chery and Zhonghua (Brilliance) vehicles.

Important Compatibility Notes:

• This sensor is an Original Equipment (OE) number for Fiat, Ducati, Chery, and Zhonghua (Brilliance) vehicles

• Compatible with both manual and automatic transmission variants

• Always cross-check the OE reference number against the number found on your current unit to ensure proper fitment

• Before purchasing, verify compatibility by comparing the OEM number (40443002 / IPF2CB) with the number on your existing sensor

A failing or malfunctioning Throttle Position Sensor can produce a range of drivability issues. Below are the most common symptoms to watch for:

A faulty TPS can cause the engine idle speed to fluctuate unpredictably. The idle may be too high or too low, leading to rough idling or "hunting" RPMs. The engine may be prone to stalling at idle.

The vehicle may hesitate, jerk, or stumble during acceleration because the malfunctioning sensor fails to send proper throttle position data, causing an imbalance in the air-fuel mixture needed for smooth acceleration.

The throttle may become unresponsive or delayed when the accelerator pedal is pressed. The vehicle may feel sluggish, with slow start response and abnormal acceleration.

The vehicle may experience surging or "bucking" while maintaining a steady speed, as the ECU receives fluctuating throttle position signals.

Since the ECU relies on throttle position data to determine the correct air-fuel ratio, a defective sensor may cause the engine to run either too rich or too lean, significantly reducing fuel efficiency.

The engine may be difficult to start, or may start and then stall immediately.

The engine may experience intermittent jitter or misfiring while running.

A malfunctioning TPS can cause harsh, delayed, or erratic shifting in automatic transmissions. The ECU uses TPS data as one of the inputs for shift timing; incorrect data can lead to aggressive or late shifts.

As with many engine management issues, a failing TPS will typically trigger the dashboard warning light. The ECU may enter fail-safe mode to protect the engine.

Common diagnostic trouble codes (DTCs) associated with TPS failure include:

• P0120 – Throttle/Pedal Position Sensor/Switch "A" Circuit Malfunction

• P0121 – Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance

• P0122 – Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input

• P0123 – Throttle/Pedal Position Sensor/Switch "A" Circuit High Input

An OBD-II scanner can be used to read these codes and confirm whether the TPS is the source of the issue.

• Wear and tear – Internal components wear over time due to repeated throttle movements

• Dirt and contamination – Accumulation of dirt can affect sensor operation

• Incorrect calibration – Improper calibration can lead to inaccurate readings

• Electrical failure – Internal electronic components may degrade over time

• Voltage range problems – Issues with the sensor's voltage output range

When sourcing or purchasing the Throttle Position Sensor 40443002, consider the following factors to ensure optimal performance and compatibility:

Always confirm that the part number on your existing sensor matches 40443002, IPF2C/B, IPF2CB, or 71738921. Cross-check the OE reference number against the number found on your current unit before purchasing. The part number will appear on the component itself.

Ensure the sensor is compatible with your specific vehicle make, model, year, engine size, and transmission type. This sensor is primarily designed for Fiat, Ducati, Chery, and Zhonghua (Brilliance) vehicles. Different vehicles may have varying specifications, and selecting the wrong sensor can lead to poor engine response or persistent check engine light issues.

Verify that the sensor features a 3-pin connector and operates at 5V DC. Confirm that the connector type (female connector with male pin terminals) matches your vehicle's wiring harness.

Look for sensors constructed with durable, corrosion-resistant polymer materials. High-quality sensors feature rolling element bearings at both ends to reduce rotational friction and prevent carbon-related sticking issues. The non-contact angle sensor unit design with integrated EMC noise suppression provides superior reliability and electromagnetic interference resistance.

Prioritize products that meet or exceed OEM standards and automotive quality management system certifications such as ISO 9001. Products meeting IP67 standards ensure protection against dust and moisture ingress. ISO 16750-4 vibration and temperature resistance certification ensures reliable operation in extreme conditions.

When sourcing from suppliers, evaluate their quality assurance processes and production capacity. Look for evidence of:

• Strict quality control standards meeting OEM specifications

• 100% factory testing

• Full manufacturer traceability

• Warranty coverage (typically 12 months)

The sensor features a compact cylindrical design with flanged tabs for secure mounting. During installation, ensure that:

• The sensor is properly aligned with the throttle shaft

• Mounting screws are tightened to the correct torque specification

• The connector is securely fastened

• Sensor wires are not routed over sharp edges

• Proper clearance is maintained from ignition HT leads, coil leads, and other sources of electrical interference

After installation, it is recommended to verify the sensor operation using a diagnostic scan tool. Check that the throttle position readings are smooth and consistent throughout the full range of throttle movement and that the warning light is no longer illuminated.

Consider products that come with warranty coverage and technical support. Many suppliers offer a 12-month warranty on TPS products. Some manufacturers offer a 6-month warranty against factory defects. A warranty can provide assurance of product quality and reliability.

• The sensor is a switch-type/piezoelectric device that provides precise throttle position sensing

• The sensor features ±0.5% precision in throttle position sensing

• The sensor converts throttle position into a voltage signal input to the ECU

• The high-reliability design utilizes rolling element bearings at both ends to reduce friction and prevent carbon-related sticking issues

• The non-contact angle sensor unit design features PCB-free construction, single-chip packaging, and integrated EMC noise suppression

• The sensor operates in extreme temperatures ranging from -40°C to +120°C

• The sensor is 30% lighter than traditional metal connectors

• Proper calibration is essential for accurate throttle response; voltage verification using a scan tool is recommended after installation

• This sensor is an Original Equipment (OE) number, meaning it matches the number of the complete component or sub-assembly that was originally fitted to the vehicle

• Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value