Walker 235-91080 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor Overview

Walker Products FSK 235-91080 is an engine crankshaft position sensor built for direct replacement service on select Chevrolet, GMC, Pontiac, and Isuzu applications. It uses a black housing, one male connector, and a single mounting hole for a straightforward OE-style layout.

Walker Products has supplied engine management components since 1946, with manufacturing and engineering support focused on meeting OEM standards and specifications. The FSK product line emphasizes accurate vehicle application coverage and technical support for repair professionals and do-it-yourself installers.

Key Features

• Engine crankshaft position sensor for ignition and engine management service
• Black sensor body with 1 connector and 1 mounting hole
• Male connector configuration
• No mounting bracket included
• Walker Products FSK part number 235-91080
• Cross-reference: Standard Ignition PC122

Detailed Description

This crankshaft position sensor is used to monitor crankshaft position and engine speed information for the vehicle’s control system. Accurate signal input is critical for ignition timing and fuel delivery on applications such as the Chevrolet S10, GMC Sonoma, Chevrolet Cavalier, Pontiac Sunfire, Isuzu Hombre, and GMC S15. If you are searching for a Walker Products 235-91080 crankshaft position sensor for a 1996-2003 Chevrolet S10 or a 1996-2003 GMC Sonoma, this part matches the listed applications.

Walker Products FSK 235-91080 is also listed for 1997-2002 Chevrolet Cavalier, 1997-2002 Pontiac Sunfire, 1997-2000 Isuzu Hombre, and 1990 GMC S15. The part number 235-91080 is a useful reference when comparing replacement sensors across ignition and engine sensor catalogs.

What It Helps Address

• Crankshaft position signal loss
• Intermittent no-start conditions
• Rough running caused by incorrect engine speed input
• Stalling related to sensor signal interruption
• Check engine light concerns tied to crank sensor faults

Installation Notes and Tips

Verify connector style, mounting hole count, and vehicle application before installation. This sensor uses one male connector and one mounting hole, and it does not include a mounting bracket. Confirm the existing sensor location and compare the original part number, especially when servicing a Chevrolet S10, GMC Sonoma, or Pontiac Sunfire application.

For best results, inspect the harness connector and related wiring for corrosion, damage, or looseness before installing the new sensor. Use the vehicle’s service information for torque and diagnostic procedures.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with long-standing experience in fuel system and engine sensor production. The company states that its parts are manufactured to meet or exceed OEM standards and specifications, with engineering and technical support behind product application data.