Walker 235-1791 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Ford and Lincoln

Walker Products 235-1791 is an engine crankshaft position sensor for select Ford and Lincoln applications. It is built to meet or exceed OEM standards and specifications, with manufacturing and engineering support focused on accurate vehicle application coverage and technical consistency.

Compatible With Ford Bronco Sport, Escape, Bronco, Edge, Explorer, Ranger, Transit Connect, EcoSport, Fusion, Focus, and Lincoln Corsair, Nautilus, MKZ, and MKC applications across the listed model years.

Key Features

• Engine crankshaft position sensor for ignition and engine management service
• Walker Products part number 235-1791
• OE-style replacement for select Ford and Lincoln vehicles
• Manufactured to meet or exceed OEM standards and specifications
• Backed by Walker Products engineering, product management, and technical support
• Cross-references DENSO Auto Parts 196-6004 and Standard Ignition PC986 for the same application

Detailed Description

Walker Products 235-1791 is a crankshaft position sensor used in engine management systems to monitor crankshaft position and rotational speed for the powertrain control system. Accurate crankshaft signal input is critical for ignition timing and fuel control, especially on modern Ford and Lincoln vehicles that rely on precise sensor feedback for smooth operation. Walker Products has supplied automotive fuel system and engine sensor components since 1946 and manufactures this line with ISO 9001/IATF16949 quality systems.

This part number 235-1791 is listed for 2021-2025 Ford Bronco Sport, 2020-2025 Ford Escape, 2021-2025 Lincoln Corsair, 2021-2024 Ford Bronco, 2021-2024 Ford Edge, 2021-2024 Ford Explorer, 2021-2024 Ford Ranger, 2021-2023 Ford Transit Connect, 2021-2023 Lincoln Nautilus, 2021-2022 Ford EcoSport, plus earlier Ford Fusion, Focus, and Lincoln MKZ, MKC, and Nautilus applications shown in the fitment data.

Common Issues This Sensor May Address

• Crankshaft position signal loss or intermittent signal faults
• Hard starting or extended crank conditions
• Engine stalling or sudden shutdown concerns
• Misfire, rough running, or unstable idle related to sensor input
• Check engine light concerns tied to crankshaft position sensor diagnostics

Installation Notes and Tips

Verify the exact year, make, model, and engine application before installation. Compare the connector style, mounting location, and OE reference number against the original sensor to confirm proper match. Clear diagnostic trouble codes after installation and perform a road test to confirm stable engine signal operation.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, application data, instruction sheets, and technical support, and operates under ISO 9001/IATF16949 certification.