Standard Ignition KS349 Ignition Knock (Detonation) Sensor

Overview of Standard Ignition KS349 Knock Sensor

The Standard Ignition KS349 Ignition Knock (Detonation) Sensor is designed for precise detection of engine knock in select Audi and Volkswagen models. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

• Compatible with Audi CC, Volkswagen Passat, Passat CC, and Q7 models
• Bolt-on attachment method with bolt mount design for secure installation
• Features a 3-terminal blade type with a female oval plug-in connector
• Constructed from durable plastic and metal materials for reliable operation
• Includes one connector with male terminal gender
• Mounting hardware not included

Detailed Product Description

The KS349 knock sensor from Standard Ignition is engineered to detect engine detonation by sensing vibrations caused by knocking. It features a bolt mount attachment method, ensuring a secure and stable fit on compatible Audi and Volkswagen vehicles. The sensor includes a single oval-shaped plug-in connector with three terminals—two male and one female—designed for seamless electrical connection. Made from a combination of plastic and metal, this sensor balances durability with precise functionality. The blade-type terminals facilitate reliable signal transmission to the engine control unit, enabling timely adjustments to ignition timing and fuel delivery.

Applications and Problem Resolution

This ignition knock sensor is specifically compatible with Audi CC and Volkswagen Passat, Passat CC, and Q7 models. It is used to detect and report engine knock, which can cause several issues if left unaddressed:

• Engine knocking or pinging noises
• Reduced fuel efficiency
• Increased emissions and potential emission control failures
• Engine performance degradation
• Potential long-term engine damage due to uncontrolled detonation

Installation Notes and Tips

Installation of the Standard Ignition KS349 sensor requires a bolt-on mounting approach. Ensure the mounting surface is clean and free of debris before installation. Since mounting hardware is not included, use the original bolts or appropriate replacements. Carefully connect the oval-shaped female plug-in connector to the vehicle’s wiring harness, verifying terminal alignment to avoid damage. Proper torque specifications should be followed to prevent sensor damage or improper function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The KS349 knock sensor undergoes rigorous quality control testing to maintain consistent functionality. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.