Standard Ignition PC971 Engine Crankshaft Position Sensor

Reliable Engine Crankshaft Position Sensor for BMW Models

The Standard Ignition PC971 Engine Crankshaft Position Sensor is designed to provide accurate and consistent engine timing data for a range of BMW vehicles. This sensor ensures proper engine performance by monitoring the crankshaft's position and speed, essential for fuel injection and ignition timing.

• Attachment Method: Plug-in for straightforward installation
• Connector Gender: Female with a single oval-shaped connector
• Terminal Type: Three male blade terminals for secure electrical connection
• Voltage: 12 volts, compatible with standard automotive electrical systems
• No mounting brackets or wire leads included, designed for direct replacement

Technical Details and Compatibility

The PC971 crankshaft position sensor features a plug-in attachment method with a female oval connector, making it compatible with various BMW models including the 220i, 228i, 320i, 328i, 428i, 520i, 528i, X1, X3, X4, and Z4. Its three male blade terminals ensure a reliable electrical connection within the vehicle’s ignition system. Operating at 12 volts, this sensor integrates seamlessly with the engine control unit to provide precise crankshaft position data.

Common Applications and Problem Resolution

This sensor is used to monitor the crankshaft’s rotational position and speed, which is critical for engine timing and fuel injection control. Replacing a faulty PC971 sensor can address issues such as:

• Engine misfires or rough idling
• Difficulty starting the engine
• Check engine light related to crankshaft sensor faults
• Poor acceleration or stalling
• Irregular engine timing signals

Installation Notes and Tips

Installation of the Standard Ignition PC971 sensor requires unplugging the existing sensor and plugging in the new unit using the oval female connector. No mounting brackets or wire leads are included, so the sensor mounts directly in the factory location. Ensure the electrical connections are secure and free of corrosion. It is recommended to disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The PC971 sensor undergoes rigorous testing to verify electrical and mechanical integrity. This product typically includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term use.