07L-905-377-E AUDI Ignition Knock Detonation Sensor

Review AUDI Genuine Ignition Knock Detonation Sensor

The Audi 07L-905-377-E Ignition Knock Sensor is an essential component of your Audi's engine management system. This sensor's primary function is to monitor the engine for any irregular combustion patterns, specifically ignition knock or detonation.

Ignition knock, also known as pinging or engine knocking, is a condition where the air-fuel mixture in the engine's cylinders detonates prematurely, causing a knocking or pinging sound. This condition can lead to engine damage if left unchecked.

The Audi 07L-905-377-E Ignition Knock Sensor is designed to detect these irregular combustion patterns and send a signal to the engine control unit (ECU). The ECU can then adjust the fuel injection timing or ignition advance to help eliminate the knocking sound and prevent potential engine damage.

This sensor is a piezoelectric type, meaning it converts mechanical energy into electrical energy. It is located near the engine and is typically connected to the engine block with a bolt or stud. The sensor has a resistance of approximately 12 ohms when new.

The Audi 07L-905-377-E Ignition Knock Sensor is made of high-quality materials to ensure durability and long-lasting performance. It is designed to withstand the harsh conditions of an engine environment, including high temperatures and vibrations.

If you suspect that your Audi's ignition knock sensor is faulty, it's essential to replace it as soon as possible. A faulty sensor can cause your check engine light to come on and may lead to engine damage if left unchecked.

When installing the new sensor, it is crucial to follow the manufacturer's instructions carefully to ensure proper installation and function. Once installed, the sensor should be tested to ensure it is functioning correctly.

In conclusion, the Audi 07L-905-377-E Ignition Knock Sensor is an essential component of your Audi's engine management system. It helps prevent engine damage by monitoring the engine for any irregular combustion patterns and sending a signal to the ECU to adjust fuel injection timing or ignition advance. This sensor is durable and long-lasting, and it's crucial to replace it if you suspect it's faulty to maintain optimal engine performance and prevent potential damage.

The Audi 07L-905-377-E ignition knock detonation sensor is a critical component of the engine management system in some Audi vehicles. This sensor is responsible for detecting and preventing engine knocking or detonation, which can lead to significant engine damage if left unchecked. Let's examine some pros and cons of buying this sensor.

1. Prevents Engine Damage: The primary function of the ignition knock detonation sensor is to detect and prevent engine knocking, which can save you from costly engine repairs or replacements.

2. Improves Engine Performance: A faulty ignition knock sensor can cause a check engine light to illuminate and affect engine performance. Replacing the sensor can restore optimal engine performance.

3. Cost-Effective: Replacing the sensor is generally a more cost-effective solution than dealing with the potential damage caused by persistent engine knocking.

1. Diagnostic Challenges: Identifying the root cause of an engine knocking issue can be challenging and may require the use of specialized diagnostic tools.

2. Labor Costs: Labor costs for replacing the sensor can add to the overall cost of the repair, especially if you choose to have it done at a dealership or repair shop.

3. Potential for False Positives: The sensor can sometimes trigger a warning even when there is no actual engine knocking issue, which can result in unnecessary repairs or replacement.

The Audi 07L-905-377-E ignition knock detonation sensor plays a vital role in maintaining the health and performance of your Audi's engine. While there are some challenges and costs associated with its replacement, the benefits of preventing engine damage and restoring optimal performance make it a worthwhile investment for any Audi owner experiencing engine knocking issues.

If you suspect that your Audi's ignition knock detonation sensor may be faulty, it is recommended that you have it diagnosed and replaced by a qualified mechanic. Be sure to use a reputable parts supplier to ensure the authenticity and quality of the replacement sensor. Regular engine maintenance, including oil changes and tune-ups, can help prevent the need for sensor replacement in the first place.

Details:

For Cl.1,2,3. Cylinder 1-3. Parts must be resalable and in the original packaging. Shipping carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

Orange Cl.1-3. Electrical parts are not returnable.

specifications ignitioncomp:

• brand: Audi
• mpn: 07l-905-377-e
• part type: Ignition Sensor
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• year: 2010 2011 2012 2014 2015 2017 2018 2020 2021 2022 2023
• parts included: Only Part Reference 5 On The Diagram Is Included
• replaces part number: 7l905376, 7l905377c

payments ignitioncomp:

• wallet: paypal
• credit card: mastercard
• other

shipping ignitioncomp:

• class: standard
• transit: 4-10 days
• type: fixed
• service: standard

offer ignitioncomp:

• prices: $45.05–$146.99
• item condition:
  • New
  • Neu
  • Nuovo
• sold #: 16
• availability: in stock
• in stock #: 5
• started: january 30, 2026
• options: ship-to-home

seller ignitioncomp:

• city: escondido, california
• rating: 99.6%
• # reviews: 279

returns ignitioncomp:

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

general ignitioncomp:

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