Walker 235-1681 Engine Crankshaft Position Sensor

Walker Crankshaft Position Sensor for Subaru Legacy

Walker Products 235-1681 is an engine crankshaft position sensor for select 1990-1994 Subaru Legacy applications. It is built for accurate engine position signal input, helping the engine management system maintain proper ignition timing and fuel control.

Key Features

• Engine crankshaft position sensor for Subaru Legacy applications
• Direct-fit replacement for select 1990-1994 models
• Built by Walker Products, a long-standing engine sensor manufacturer
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering, product management, and technical resources
• Part number: 235-1681

Product Details

Walker Products 235-1681 is part of the Walker Products engine management line, which includes crankshaft sensors, camshaft sensors, throttle position sensors, oxygen sensors, fuel injectors, and related repair components. For drivers and technicians servicing a 1990-1994 Subaru Legacy, this crankshaft position sensor provides the signal the engine control system uses to monitor crankshaft speed and position. This part cross-references Standard Ignition PC189 for the same application.

Common Issues This Sensor Can Address

• Hard starting or no-start conditions related to crankshaft signal loss
• Intermittent stalling caused by an unstable engine speed signal
• Misfire or rough running tied to incorrect crankshaft position input
• Check engine light concerns associated with crankshaft sensor faults
• Driveability problems on Subaru Legacy models with a failing sensor

Installation Notes

Verify connector style, mounting location, and engine application before installation. Inspect the harness, terminals, and nearby wiring for damage or corrosion, and clear diagnostic trouble codes after replacement if required. For accurate results, confirm the vehicle is a 1990-1994 Subaru Legacy before ordering.

Quality Assurance

Walker Products has supplied automotive fuel system and engine sensor components since 1946 and operates as an ISO 9001/IATF 16949 certified manufacturer. The company states its parts are produced to meet or exceed OEM standards and specifications, with internal engineering and technical support backing product accuracy and application coverage.