Bosch 0261210150 Rot.-Speed Sensor

Bosch 0261210150 Rotational Speed Sensor

The Bosch 0261210150 Rot.-Speed Sensor is a high‑performance crankshaft position sensor designed to deliver precise engine timing information. It serves as the critical link between the engine’s mechanical motion and the electronic control unit (ECU), ensuring optimal fuel injection, ignition timing, and overall engine performance.

Key Functionalities

• Pulse Generation: Converts crankshaft rotation into a series of electrical pulses that the ECU interprets as engine speed and position.
• High Accuracy: Maintains signal integrity across a wide RPM range, enabling accurate idle control and transient response.
• Robust Construction: Built to withstand extreme temperatures, vibration, and corrosive engine bay environments.
• Three‑Pin Design: Simplifies wiring and compatibility with OEM harnesses on a variety of vehicles.

Technical Specifications

Vehicle Compatibility

The sensor is engineered to fit a broad spectrum of vehicles, particularly those from the Chevrolet, Opel, Vauxhall, and Holden families. Common applications include:

• Vauxhall Astra G/H (2000‑2010)
• Opel Zafira A/B (2001‑2010)
• Chevrolet Zafira F75 (2001‑2005)
• Holden Commodore (2002‑2006)
• Vauxhall VX220 VXR (2003‑2005)
• Various Alfa Romeo models (e.g., 147, 156, Gt, Lybra, Stilo) with appropriate adapters

For exact fitment, consult the vehicle’s service manual or a certified technician.

Installation Guide

1. Safety First: Disconnect the battery and allow the engine to cool completely.
2. Remove Old Sensor: Locate the existing crankshaft position sensor on the engine block. Carefully detach the wiring harness, noting the pin configuration, then unscrew the mounting bolt.
3. Prepare New Sensor: Inspect the new 0261210150 for any manufacturing marks or damage. Verify that the three pins align with the OEM connector.
4. Mounting: Position the sensor against the crankshaft pulley flange, ensuring a snug fit. Tighten the mounting bolt to the manufacturer’s torque specification (typically 15–20 Nm).
5. Reconnect Wiring: Attach the harness, making sure each pin is seated correctly. Use anti‑seize compound on the connector pins if recommended.
6. Test Run: Reconnect the battery and start the engine. Observe the ECU’s diagnostic lights; a steady idle indicates proper sensor operation.

Performance Benefits

• Improved Fuel Efficiency: Accurate RPM data allows the ECU to optimize fuel injection timing, reducing consumption.
• Enhanced Engine Longevity: Precise speed sensing prevents over‑revving and protects critical engine components.
• Reduced Emissions: Correct ignition timing minimizes unburnt hydrocarbons and CO₂ output.
• Reliability Under Stress: The sensor’s durable construction ensures consistent performance in high‑heat, high‑vibration environments.

Maintenance Tips

• Regularly inspect the wiring harness for corrosion or fraying; replace damaged sections immediately.
• Avoid exposing the sensor to excessive oil spray or coolant leaks, which can degrade signal quality.
• If the engine exhibits rough idle or misfires, consider testing the sensor with a multimeter to confirm pulse integrity.

Why Choose Bosch?

Bosch is renowned for its commitment to engineering excellence and rigorous quality control. The 0261210150 Rot.-Speed Sensor reflects this heritage, offering:

• OEM‑grade performance that matches or exceeds original specifications.
• Extensive testing across multiple engine platforms.
• Long shelf life and resistance to environmental stressors.

Conclusion

The Bosch 0261210150 Rotational Speed Sensor is a dependable, high‑precision component essential for modern internal combustion engines. Its robust design, broad vehicle compatibility, and proven performance make it the preferred choice for technicians and automotive enthusiasts seeking reliable engine timing solutions.