Bosch 0261231142 Ignition Knock (Detonation) Sensor

Bosch Knock Sensor for Volvo Engine Protection

Bosch 0261231142 is an OE-quality ignition knock sensor built to help your engine respond accurately to detonation events. In Volvo S60, V70, XC70, S80, XC90, C70, and S70 applications, it supports smoother combustion control and can help reduce fuel consumption by up to 9% when the engine management system is receiving the correct knock signal.

Key Features

• Bosch OE-quality ignition knock (detonation) sensor
• Helps the engine control system detect knock and adjust timing
• Supports engine protection under load and during abnormal combustion
• Can contribute to lower fuel consumption when the knock signal is restored
• Direct-fit replacement for select Volvo applications
• Part number: 0261231142

Product Details

This Bosch knock sensor is engineered for Volvo vehicles that rely on precise detonation monitoring to protect the engine and maintain efficient operation. It is a strong choice for drivers searching for a Volvo S60 knock sensor replacement, Volvo V70 ignition knock sensor, or Bosch 0261231142 detonation sensor for select XC70, S80, XC90, C70, and S70 models. Bosch’s OE-quality construction supports accurate signal delivery to the engine control unit, which is critical for ignition timing correction and consistent drivability.

This part cross-references 94325700 for the same application.

What It Helps Address

• Knock or pinging under acceleration
• Check engine light related to knock sensor faults
• Reduced engine performance from incorrect ignition timing
• Lower fuel economy caused by inaccurate detonation feedback
• Rough operation when the engine control system cannot properly detect knock

Installation Notes and Tips

Verify the sensor location on the engine before installation and compare the connector and mounting style to the original part. For best results, inspect the wiring harness and connector for damage, corrosion, or oil contamination before replacing the sensor. Confirm vehicle fitment by year, make, and model before ordering Bosch 0261231142.

Quality Assurance

Bosch supplies OE-quality engine management components, and this knock sensor is built to meet the demands of select Volvo applications. Compatible With 2001-2009 Volvo S60, 1999-2007 Volvo V70, 2003-2007 Volvo XC70, 1999-2006 Volvo S80, 2003-2006 Volvo XC90, 1999-2004 Volvo C70, and 1999-2000 Volvo S70.