242-1139 WALKER PRODUCTS Knock Detonation Sensor Volkswagen

Review WALKER PRODUCTS Knock Detonation Sensor Fits Volkswagen for VOLKSWAGEN PASSAT 2000–2005

The Volkswagen Passat 242-1139 Knock Detonation Sensor is an essential component of the engine management system in Volkswagen Passat models from the years 2000 to 2005. This sensor plays a crucial role in ensuring optimal engine performance and longevity by monitoring the engine for knocking or detonation.

The knock detonation sensor is a sophisticated electronic device that utilizes a piezoelectric crystal to detect subtle vibrations in the engine caused by detonation or pre-ignition. Detonation, also known as pinging, is an unwanted combustion event that occurs before the engine's intended ignition sequence. This phenomenon can lead to increased fuel consumption, decreased performance, and, in severe cases, engine damage.

The Volkswagen Passat 242-1139 Knock Detonation Sensor is designed to be highly sensitive and can detect even the slightest signs of detonation. Once detected, the sensor sends a signal to the engine control unit (ECU) to adjust fuel injection and ignition timing to prevent further detonation. This real-time monitoring and adjustment help maintain the engine in its optimal operating condition and prevent potential engine damage.

This sensor is a critical component in maintaining the health and performance of your Volkswagen Passat engine. If you suspect your vehicle may be experiencing detonation or knocking, it is essential to have the sensor inspected and replaced if necessary. By investing in a genuine Volkswagen Passat 242-1139 Knock Detonation Sensor, you can ensure that your vehicle remains reliable, efficient, and safe to drive.

The sensor is easy to install, with a simple plug-and-play design that connects directly to the engine harness. The sensor comes with a reliable OEM warranty, ensuring peace of mind and protection against any manufacturing defects.

In summary, the Volkswagen Passat 242-1139 Knock Detonation Sensor is an essential component in maintaining the optimal performance and longevity of your Volkswagen Passat engine from 2000 to 2005. This sensor's advanced design allows it to detect even the slightest signs of detonation, ensuring that your engine remains in perfect condition. With its easy installation and reliable OEM warranty, investing in a genuine Volkswagen Passat 242-1139 Knock Detonation Sensor is an investment in the long-term health and performance of your vehicle.

The Knock Detonation Sensor (KDS) is an essential component of a Volkswagen Passat's engine management system. Its primary function is to monitor the engine for any signs of knocking or detonation, which can cause significant damage if left unchecked. If you are considering buying a new KDS for your 2000-2005 Volkswagen Passat, here are some pros and cons to help you make an informed decision.

1. Improved Engine Performance: A faulty or malfunctioning KDS can lead to poor engine performance, misfiring, and reduced fuel efficiency. Replacing the sensor can help restore optimal engine performance.

2. Preventing Engine Damage: Knocking or detonation in an engine can cause significant damage, leading to expensive repairs. By replacing the KDS, you can prevent potential engine damage and save money in the long run.

3. Increased Safety: A malfunctioning KDS can cause the engine to shut down suddenly, which can be dangerous while driving. Replacing the sensor can help ensure the safety of yourself and others on the road.

1. Cost: Replacing a KDS can be an expensive repair, with parts and labor costs ranging from $300 to $600 or more, depending on the specific model and labor rates in your area.

2. Time-Consuming: Diagnosing a knock sensor issue can be a time-consuming process, as it requires a thorough inspection of the engine and the use of specialized diagnostic tools.

3. Complex Repair: Installing a new KDS can be a complex repair, as it involves removing various engine components and wiring harnesses to access the sensor.

In conclusion, replacing a faulty or malfunctioning KDS in your 2000-2005 Volkswagen Passat can help improve engine performance, prevent engine damage, and ensure safety. However, the repair can be costly, time-consuming, and complex. If you are experiencing issues with your engine and suspect that the KDS may be the cause, it is recommended that you consult a professional mechanic to diagnose the issue and provide you with an accurate estimate for the repair.

If you are unsure about the condition of your KDS or suspect that it may be causing engine issues, it is recommended that you have it inspected by a qualified mechanic. They can perform a diagnostic test to determine if the sensor is indeed the cause of the problem. If the sensor is found to be faulty, you can weigh the pros and cons of replacing it based on your budget, the severity of the issue, and your personal priorities.

Details:

Country of origin primary: es.: knock detonation sensor. Mpn: 242-1139. Timing parts/kits-valve train.

Rotating electrical. Walker products knock detonation sensor fits 2000 -2005 Volkswagen Passat: msrp: $117.49. Condition: new. Caution: fitment is for north america vehicles.

Placement on vehicle: engine compartment. Manufacturer part number: 242-1139. Terminal type: blade.

Brand: Walker products. Features: direct fit. Tire chains and accessories. Radiators and cooling.

specifications ignitioncomp:

• for models: Passat
• for makes: Volkswagen
• for years: 2000–2005
• brand: Walker Products
• mpn: 242-1139
• upc: 724620164910
• placement on vehicle: Engine Compartment
• ipn: Id0094 Ks222
• type: Knock
• features: Direct Fit
• caution: Fitment Is For North America Vehicles
• country of origin: Primary
• terminal type: Blade
• width: 2.813
• length: 5.125
• universal fitment: Direct Replacement
• modified item: No
• connector type: Rectangle

offer ignitioncomp:

• availability: in stock
• prices: $76.61–$93.99
• item condition: New
• started: april 5, 2026
• sold #: 8
• in stock #: 5
• options: ship-to-home

shipping ignitioncomp:

• type: fixed
• class: expedited
• transit: 3-6 days
• service: expedited

payments ignitioncomp:

• other
• wallet: google-pay
• credit card: mastercard

returns ignitioncomp:

• policy: returns accepted
• paid by: seller
• time: 30 days

seller ignitioncomp:

• city: portland, oregon
• rating: 99.9%
• # reviews: 13739

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Ignition Systems Components