Standard Ignition PC491 Engine Crankshaft Position Sensor

Reliable Engine Crankshaft Position Sensor for Audi Models

The Standard Ignition PC491 Engine Crankshaft Position Sensor is designed to provide accurate and consistent engine timing data for various Audi vehicles. This sensor ensures optimal engine performance by monitoring the crankshaft's position and speed.

• Connector Gender: Female for secure connection
• Rectangular connector shape for precise fitment
• Plug-in connector type for easy installation
• Three male blade terminals for reliable electrical contact
• Compatible with multiple Audi models including 80, 80 Quattro, 90, 90 Quattro, 100, 100 Quattro, 200, 200 Quattro, 5000 Quattro, Coupe Quattro, S4, and S6

Product Details and Specifications

The PC491 crankshaft position sensor from Standard Ignition features a female connector with a rectangular shape, designed to plug directly into the vehicle’s wiring harness. It includes three male blade terminals that ensure a stable and durable electrical connection. This sensor is engineered to meet the exact specifications required by Audi vehicles, providing accurate crankshaft position data essential for engine control modules to manage ignition timing and fuel injection.

Compatible Audi Models and Applications

This sensor is compatible with a range of Audi vehicles, including the Audi 80, 80 Quattro, 90, 90 Quattro, 100, 100 Quattro, 200, 200 Quattro, 5000 Quattro, Coupe Quattro, S4, and S6. The PC491 part number is specifically designed to match the OEM requirements for these models, ensuring proper fit and function.

Common Issues Addressed by the PC491 Sensor

• Engine misfires caused by inaccurate crankshaft position data
• Difficulty starting the engine or no-start conditions
• Irregular engine idling or stalling
• Check engine light triggered by crankshaft sensor faults
• Poor fuel efficiency due to incorrect timing signals

Installation Notes and Tips

When installing the Standard Ignition PC491 sensor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. The plug-in rectangular female connector should align precisely with the vehicle harness. Verify that the three male blade terminals are clean and free of corrosion before connection. Proper torque specifications should be followed to avoid sensor damage or improper seating.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The PC491 crankshaft position sensor undergoes rigorous testing to ensure consistent operation under various conditions. This part is backed by Standard Ignition’s limited warranty, covering defects in materials and workmanship for a specified period.