AUDI 4KL-723-523 Tron Gas Pedal Accelerator Throttle Sensor

( Manufacturer Part Number: 4KL-723-523 ), ( Items Included: Unit Shown Only ), ( Color: Black ), ( Material: Plastic ), ( Vintage Part: No ), ( Type: Accelerator Pedal ), ( Ipn: 4kl 723 ), ( Manufacturer Warranty: 60 Day ), ( Features: Easy Installation ), ( Country Of Origin: Germany )

Review AUDI Oem 4kl 723 E tron Gas Pedal Accelerator Throttle Sensor 523 fits 2019–2023

The **4KL 723 (2019 2023 Audi e-tron) Gas Pedal Accelerator Throttle Sensor (Part Number 523)** is a precision-engineered component designed to deliver seamless, responsive performance in Audi s flagship electric SUV, the e-tron. This critical sensor forms the heart of the vehicle s throttle control system, translating driver input from the accelerator pedal into precise electrical signals that regulate the electric motor s power delivery. Crafted with Audi s signature blend of durability and cutting-edge technology, this part is built to withstand the rigorous demands of daily driving while maintaining optimal efficiency and reliability. The sensor features a robust, corrosion-resistant construction, ensuring long-term functionality even in varying environmental conditions, from urban commutes to highway cruising. Its advanced design incorporates high-precision internal components, including a linear potentiometer or Hall-effect sensor (depending on the specific model variant), which provides accurate and consistent feedback to the vehicle s electronic control unit (ECU). This ensures smooth acceleration, instant torque response, and seamless integration with the e-tron s regenerative braking system, enhancing both driving dynamics and energy efficiency. Whether navigating city streets or tackling winding roads, this throttle sensor plays a pivotal role in delivering the e-tron s signature blend of luxury, performance, and eco-conscious driving. For Audi owners seeking to maintain their vehicle s peak performance or address potential throttle response issues, this genuine OEM part is an essential upgrade, ensuring compatibility, reliability, and the driving experience Audi is renowned for.

### **Pros and Cons of Buying a Used 2019-2023 Audi e-tron with a Faulty Gas Pedal/Accelerator Throttle Sensor (Part #523)**

#### **Pros**

1. **Electric Vehicle (EV) Technology** The Audi e-tron offers a smooth, quiet, and efficient electric drivetrain with instant torque, making it a more enjoyable driving experience compared to many internal combustion engine (ICE) vehicles.

2. **Good Range (Before Degradation)** The 2019-2023 models come with a **95 kWh battery**, offering an **EPA-estimated range of 204-250 miles** (real-world range may vary). Even with battery degradation, it remains competitive for daily commuting and road trips.

3. **Audi s Brand Prestige** Audi maintains a strong reputation for luxury, build quality, and resale value, which can be appealing if you value brand recognition.

4. **Advanced Driver Assistance Systems (ADAS)** The e-tron includes features like **Audi Pre Sense, adaptive cruise control, lane-keeping assist, and traffic jam pilot**, enhancing safety and convenience.

5. **Low Operating Costs** Electric vehicles have **lower fueling costs** (electricity is cheaper than gasoline) and **fewer moving parts**, reducing maintenance expenses compared to ICE vehicles.

6. **Tax Incentives & Rebates** Depending on your location, you may qualify for **federal, state, or local EV incentives**, reducing the overall purchase price.

7. **Good Resale Value** Audi EVs hold their value relatively well, though depreciation is still a factor in the used market.

8. **Spacious Interior** The e-tron offers a **large cabin with comfortable seating**, a **panoramic sunroof**, and **modern infotainment** (if not upgraded).

9. **Quiet & Smooth Ride** The absence of an engine means **reduced vibration and noise**, contributing to a more refined driving experience.

10. **Potential for Battery Replacement Warranty** Some Audi e-trons come with **8-year/100,000-mile battery warranties** (varies by model year and region), which may still be partially valid on a used unit.

---

#### **Cons**

1. **Faulty Gas Pedal/Throttle Sensor (Part #523)**

- This **common issue** (reported in multiple e-tron models) can cause **unexpected acceleration, stalling, or erratic throttle response**, posing a **safety risk**.

- The sensor may require **replacement or recalibration**, adding **unexpected repair costs** (typically **$300 $800** depending on labor and parts).

- Some owners report **recurring issues** even after repairs, suggesting a **potential design flaw** in the pedal assembly.

2. **Battery Degradation Over Time**

- After **3-5 years**, the battery may lose **10-20% of its original capacity**, reducing real-world range.

- Replacing the battery can cost **$10,000 $15,000**, making it a **major financial consideration**.

3. **High Upfront Cost (Even Used)**

- Audi EVs retain their value well, but **used e-trons in this range still command higher prices** than comparable ICE vehicles.

- **Depreciation is steep**, so buying used may not be as cost-effective as newer EVs.

4. **Charging Infrastructure Limitations**

- While **DC fast charging is improving**, **home charging (Level 2) is still necessary** for daily convenience.

- **Public charging stations may be unreliable** in some areas, leading to **range anxiety** for long trips.

5. **Weight & Handling**

- The e-tron is **heavier than many ICE SUVs**, which can affect **acceleration, braking, and fuel efficiency** (though this is less of an issue in EVs).

- **Tire wear may be higher** due to the weight distribution.

6. **Software & Infotainment Issues**

- Some owners report **glitches in the touchscreen, slow response, or compatibility problems** with mobile apps.

- **Over-the-air updates** can sometimes introduce new bugs.

7. **Limited Aftermarket Support**

- Finding **specialized EV mechanics** can be difficult, and **parts availability** may not be as widespread as for ICE vehicles.

8. **Potential for Hidden Electrical Problems**

- EVs have **more complex electrical systems**, and **hidden wiring or battery issues** could arise, leading to **unexpected repair costs**.

9. **Resale Depreciation**

- Even with a warranty, **used Audi e-trons lose value quickly**, meaning you may not recoup much if you sell later.

10. **Charging Speed & Convenience**

- While **fast charging is possible**, it still takes **longer than refueling a gas car**, which can be inconvenient for some drivers.

---

### **Ending Conclusion**

The **2019-2023 Audi e-tron** is an **excellent electric vehicle** with **strong performance, luxury features, and efficiency**, making it a **great choice for EV enthusiasts** who prioritize **smooth driving, low operating costs, and advanced tech**. However, the **gas pedal/throttle sensor issue (Part #523) is a significant drawback**, as it **compromises safety and reliability** a critical factor for any vehicle.

If you **prioritize safety and want a trouble-free EV**, this model may **not be the best used purchase** due to the **recurring throttle sensor problems**. Instead, consider:

- **Audi s newer e-tron models (2024 )** if the issue has been addressed.

- **Other reliable used EVs** (Tesla Model Y, Hyundai Ioniq 5, Kia EV6) that may have **fewer known mechanical issues**.

- **Audi s warranty coverage** if the vehicle is still under warranty, the sensor issue **may be covered**, reducing risk.

If you **decide to proceed**, **thoroughly inspect the throttle sensor, battery health, and service history** before purchasing. **Get a pre-purchase inspection (PPI) from an EV-specialized mechanic** to confirm the sensor is functioning correctly and that there are **no hidden electrical or battery issues**.

### **Final Recommendation**

You **find a well-documented case** where the sensor has been **replaced and tested**, with **no recurrence**.

You **budget for potential future repairs** (sensor replacement, battery degradation, etc.).

You **prioritize the EV s benefits (range, efficiency, luxury)** over long-term reliability concerns.

- **Wait for a newer e-tron model (2024 )** where Audi may have fixed the throttle sensor issue.

- **Consider a different used EV** with a **proven track record** (e.g., Tesla, Hyundai, Kia) that lacks this specific problem.

- **Buy a certified pre-owned (CPO) e-tron** with **extended warranty coverage** to mitigate risk.

If you **must buy this model**, **negotiate a lower price** to account for the **potential repair costs** and **ensure full transparency** from the seller about the throttle sensor s condition.

Details:

Old must be present for delivery. Someone over 18 yrs. External wiring, sensors, or other transferable external parts are not covered. Residential Address - Load is curbside delivery ONLY.

Daytime phone number is required load will not deliver until appointment scheduled. Minor scuffs and scratches may be present due to the nature of used parts.

specifications pedalspadsaz:

• for makes: Audi
• for years: 2019-2023
• mpn: 4kl-723-523
• items included: Unit Shown Only
• color: Black
• material: Plastic
• vintage part: No
• type: Accelerator Pedal
• ipn: 4kl 723
• manufacturer warranty: 60 Day
• features: Easy Installation
• country of origin: Germany

offer pedalspadsaz:

• sold: 0
• quantity: 1
• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: February 16, 2026

seller pedalspadsaz:

• rating: 99.6%
• # reviews: 5138
• city: Alberta

shipping pedalspadsaz:

• class: Expedited
• service: Expedited
• cost: $30.00
• transit: 3-7 Days
• type: Fixed

payments pedalspadsaz:

• credit card: Diners-club
• wallet: Apple-pay
• other

returns pedalspadsaz:

• policy: Returns Accepted
• paid by: Buyer
• time: 60 Days

general pedalspadsaz:

• Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts
• condition: Used

Audi 4KL-723-523 Is Similar To:

• Accelerator A4 Pedal Prices 04 02 1.8l Gas Audi Oem 03 (26.4% similar) Automatic transmission car. Nice condition...(November 13th, 2014)
• Assembly Stop Brake 8t Foot Audi Sedan Pedal Quattro Oem 1 Original 1.8t B6 2004 A4 Prices (32.7% similar) 8t the part is in good working condition. Please look at the pictures. Shipping services vary depending on item size and weight...(June 11th, 2014)
• 01 Module Gas 1 Audi 8t B5 Accelerator 1723523 A4 Oem Pedal (38.8% similar) 8t gas pedal accelerator module oem this part was originally installed in a 2001 A4. Part keywords 01 audi a4 b5 this part has been confirmed to be compatible with these cars check the item specifics section at the top of this listing for more compatibility information. 8t gas pedal accelerator ...(September 17th, 2014)
• 1c1864777 Genuine Volkswagen Audi Vw Beetle Turbo Dead Pedal (22.2% similar) Genuine VW audi - beetle turbos dead pedal 1C1864777 mfg: great oem look-oem quality fit finish please for any fitment questions. Please with any questions regarding product availability...(June 28th, 2018)
• 1j0 927 189b Audi Volkswagen Beetle Clutch Pedal Position Switch (33.1% similar) When looking for a specific part and don't seem to find it, please let us know. What you see in the pictures is will receive. Lam brothers used parts this part come out from 2002 audi tits in great condition, has normal wear see pictures for details items may show slight fading, dirt stains, ...(July 11th, 2018)
• 1j1 721 503j Audi Tt Accelerator Gas Pedal (47.9% similar) You can always send questions and messages through the messaging system. When looking for a specific part and don't seem to find it, please let us know. What you see in the pictures is will receive. Lam brothers used parts this part come out from 2002 audi tits in great condition, has normal wear ...(July 11th, 2018)
• Pedal Electronic Volkswagen Audi 1j1-723-503s A4 Gas Accelerator Oem (40.6% similar) Electric gas accelerator pedal. Check part for exact fit in vehicle. Audi, Volkswagen...(October 13th, 2014)
• Gas Audi 1j1723503ae 1j1723503s Accelerator Jetta Vw Golf Pedal Genuine (35.6% similar) Are higher, please inquire. The quoted shipping prices are within the 48 states only. For sale new genuine VW accelerator gas pedal 1J1723503S 1J1723505AE product fitment Volkswagen beetle 2005 VOLKSWAGEN Etta 2005 VOLKSWAGEN golf may fit some other VW, audi, seat and soda vehicles from the same ...(January 3rd, 2015)
• 1k0723131a4j4 Genuine Volkswagen Audi Vw Brake Pedal (31.5% similar) Genuine VW audi - MK5 R32 brake pedal 1K0723131A4J4 mfg: please for any fitment questions...(August 10th, 2018)
• 1k1 723 503 L Audi Accelerator Gas Pedal Oem (47.1% similar) Shipping costs are only covered on a case by BASISLOC25. Buyer pays for all return shipping costs...(September 27th, 2018)
• 1k172105al Audi 2011 A3 Station Wagon Brake Pedal Assembly R36269 (38.6% similar) If an item arrives damaged, please via message within 24 hours for instructions. N new part manufactured from scratch. Fair condition. Item might have slight damage and or heavy wear and tear. No damage, scratches, or cracks. Fully functional item. No expedited shipping is available. Shipping ...(December 10th, 2015)