Walker 235-91207 Engine Camshaft Position Sensor - Exhaust

Walker Camshaft Position Sensor 235-91207

Walker Products FSK 235-91207 is an engine camshaft position sensor for select GM, Saturn, Saab, Hummer, and Isuzu applications. It supports accurate cam signal input for vehicles such as the Chevrolet Cobalt, Chevrolet Trailblazer, and GMC Envoy across the listed model years.

Key Features

• Engine camshaft position sensor for ignition and engine management systems
• Walker Products FSK product line for application-specific coverage
• Built to meet or exceed OEM standards and specifications
• Backed by Walker Products engineering, product management, and technical support resources
• ISO 9001/IATF16949 certified manufacturing environment
• Fits select 2002-2007 GM, Saturn, Saab, Hummer, and Isuzu vehicles

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on accurate vehicle applications and OE-level production standards. Part number 235-91207 is part of the Walker Products FSK line and is listed for a broad range of 2002-2007 applications, including Chevrolet Cobalt, Chevrolet Colorado, Chevrolet Trailblazer, GMC Envoy, and related platforms. This part cross-references AC Delco (e.g., 213-4222) for the same application.

What It Helps Address

• Camshaft position signal faults
• Hard starting or extended crank conditions tied to cam sensor input
• Check engine lights related to camshaft sensor performance
• Rough running caused by incorrect cam timing signal data
• Intermittent drivability issues on affected GM, Saturn, Saab, Hummer, and Isuzu models

Installation Notes

Verify the connector style, sensor location, and engine application before installation. Body fitment for this part includes both N/A and Exhaust positions depending on the vehicle, so match the listing exactly to the vehicle configuration. For example, it fits 2004-2006 Chevrolet Colorado, Exhaust; fits 2002-2006 GMC Envoy, N/A; and fits 2006 Hummer H3, Exhaust. Confirm the part number 235-91207 against the original sensor before replacement.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports production with in-house engineering and technical resources, and its facilities are certified to ISO 9001/IATF16949 quality management standards.