Bosch 0986JG0835 Ignition Knock (Detonation) Sensor

Bosch Knock Sensor for Subaru Engine Protection

The Bosch Ignition Knock (Detonation) Sensor, part number 0986JG0835, is an OE-quality replacement built to help maintain accurate knock detection and stable engine performance. It supports fuel consumption reduction by helping the engine management system respond correctly to detonation signals.

Compatible with select Subaru Forester, Impreza, Legacy, and Outback models, this Bosch knock sensor is a direct-fit service part for vehicles that need reliable ignition knock monitoring.

Key Features

• Bosch OE quality ignition knock sensor for engine knock detection
• Supports engine protection by helping identify detonation events
• Helps the engine control system maintain efficient combustion timing
• Can contribute to lower fuel consumption when the knock system is functioning correctly
• Fits select 1999-2002 Subaru applications
• Part number 0986JG0835 for accurate ordering and service matching

Product Details

Bosch Ignition Knock (Detonation) Sensor 0986JG0835 is engineered for Subaru vehicles that rely on precise knock feedback to protect the engine under load. Bosch positions this sensor line as OE quality, making it a practical replacement when the original sensor is no longer reporting detonation accurately. This part cross-references Subaru 22060AA070 for the same application.

Fits 2000-2002 Subaru Forester, N/A. Fits 1999-2002 Subaru Impreza, N/A. Fits 1999-2001 Subaru Legacy, N/A. Fits 2000-2001 Subaru Outback, N/A.

Common Problems This Part May Address

• Check engine light related to knock sensor circuit faults
• Audible pinging or detonation under acceleration
• Reduced engine performance from incorrect ignition timing correction
• Poor fuel economy caused by inaccurate knock signal input
• Driveability issues when the engine control unit cannot properly detect knock

Installation Notes and Tips

Confirm the connector style and mounting location against the original sensor before installation. Inspect the harness and nearby engine surfaces for damage, corrosion, or contamination that could affect signal quality. After installation, clear diagnostic trouble codes and verify proper operation with a scan tool if the vehicle previously stored knock sensor faults.

Quality Assurance

Bosch OE-quality construction supports dependable sensor output and consistent engine management performance. The Bosch 0986JG0835 is built for service replacement use on the listed Subaru applications.