VOLKSWAGEN 06F-133-062-AC Throttle Body Rjfkz 337-10063

( Manufacturer Part Number: 06F-133-062-AC ), ( Part Type: Throttle ), ( Ipn: 337-10063 ), ( Fitment Type: Direct Replacement ), ( Modified Item: No ), ( Manufacturer Warranty: Unspecified Length )

Review VOLKSWAGEN Throttle Body Rjfkz fits GLI 2019

The **Volkswagen 337-10063 2019 GLI Throttle Body (RJFKZ)** is a precision-engineered component designed exclusively for the high-performance 2.0L TSI turbocharged engines found in the 2019 Volkswagen Golf GTI, Jetta GLI, and Atlas GLI models, all of which share the **RJFKZ** engine code. This throttle body serves as the critical interface between the engine s electronic control system and the intake manifold, regulating airflow with exceptional responsiveness to optimize throttle response, fuel efficiency, and overall engine performance. Crafted from high-quality materials, including durable plastic and precision-machined metal components, this throttle body is built to withstand the demands of aggressive driving, frequent turbocharged operation, and the thermal cycling inherent in modern turbocharged engines. Its **electronic throttle control (ETC)** system integrates seamlessly with the vehicle s MIB (Modular Infotainment Bus) and J2534 programming protocols, ensuring smooth acceleration, precise idle stability, and minimal lag even under heavy load or during rapid throttle inputs. The design incorporates a **dual-sensor setup** for accurate airflow measurement, which helps the engine control unit (ECU) maintain optimal air-fuel ratios for both performance and emissions compliance. Whether you re chasing top-tier acceleration in track-day conditions or simply seeking a reliable upgrade for daily driving, this throttle body is engineered to enhance throttle response, reduce turbo lag, and provide a more engaging driving experience. For those looking to fine-tune their vehicle s performance or replace a worn-out original part, this aftermarket or OEM-replacement throttle body offers a direct fit, ensuring compatibility without the need for additional modifications. Its robust construction and compatibility with modern Volkswagen diagnostics make it an ideal choice for both enthusiasts and professional mechanics aiming to restore or enhance the throttle dynamics of their 2019 GLI models.

### **Pros and Cons of Buying a 2019 Volkswagen GLI (337-10063) with Throttle Body Issue (RJFKZ)**

#### **Pros**

1. **Strong Performance and Handling**

The 2019 Volkswagen GLI is a hot hatch with a 2.0L TSI engine producing around **245 horsepower and 258 lb-ft of torque**, paired with a 7-speed DSG transmission. It delivers sharp acceleration and engaging driving dynamics, making it ideal for spirited driving and track use.

2. **Modern Infotainment and Tech Features**

The GLI comes with a **10.25-inch touchscreen** (in some markets), **Apple CarPlay and Android Auto**, **Bluetooth connectivity**, and **VW s Digital Cockpit** with a large center display. The build quality and attention to detail in the interior are generally high for a hot hatch.

3. **Good Fuel Efficiency**

Despite its sporty nature, the GLI offers **decent fuel economy** around **26 MPG combined** (varies by market), which is reasonable for a turbocharged engine.

4. **Reliability of the TSI Engine (When Well-Maintained)**

The 2.0L TSI engine in the GLI is generally reliable if properly serviced. Volkswagen has improved engine durability in recent years, though some early models had minor issues that have since been addressed.

5. **Resale Value and Brand Appeal**

Volkswagen s GLI has maintained a strong resale value due to its performance reputation. The brand still carries prestige, and the GLI is a desirable model among enthusiasts.

6. **Available Performance Upgrades**

The GLI platform allows for **aftermarket tuning** (e.g., AEM, Haltech, or VW-specific tuners) to further enhance power and responsiveness. Many owners enjoy pushing the engine beyond stock limits.

7. **Comfortable Daily Driver Capabilities**

Despite its sporty nature, the GLI is still a practical car with **adequate rear legroom** and a **comfortable ride** (though firmer than a Golf SE). The **adaptive dampers** help balance sportiness and comfort.

---

#### **Cons**

1. **Throttle Body Issue (RJFKZ Code)**

The **throttle body problem** (commonly associated with the **RJFKZ engine code**) is a **known issue** in some 2019 TSI engines. Symptoms include:

- **Rough idling**

- **Stalling or hesitation**

- **Check Engine Light (CEL) with P2123 or P2122 codes**

- **Reduced throttle response**

This issue is often caused by **carbon buildup, sensor failure, or wiring problems** in the throttle body. Volkswagen has issued **recalls and service bulletins** for this, but some dealerships may not have prioritized repairs.

- **Cost of Repair:** Replacing the throttle body or cleaning it can range from **$300 $800**, depending on labor and parts. If the issue is electrical, wiring repairs may add to the cost.

2. **DSG Transmission Reliability Concerns**

While the **7-speed DSG is generally smooth**, some owners report **clutch wear, delayed shifts, or jerkiness** especially in stop-and-go traffic. Volkswagen has improved transmission software in later models, but early 2019 units may still have minor quirks.

3. **Maintenance Costs Can Add Up**

- **Timing belt replacement** (every **60,000 100,000 miles**, depending on model)

- **Oil changes with synthetic oil** (every **5,000 7,500 miles** for optimal performance)

- **Carbon buildup in intake valves** (requires **valve cleaning every 60,000 90,000 miles**)

- **Turbocharger servicing** (if the car is tuned or driven aggressively)

These costs can be **higher than average** compared to non-turbocharged cars.

4. **Interior Quality Variability**

While the GLI has a **premium feel**, some owners report **plastic trim that feels cheaper than expected** in certain areas. The **steering wheel and gear shifter** can also be **less refined** than in higher-end VWs.

5. **Noise and Wind Noise**

The GLI is **not as quiet as some competitors** (e.g., BMW 2 Series or Audi S3). **Road and wind noise** can be noticeable at highway speeds, though this is common in hot hatches.

6. **Rear Seat Comfort and Space**

The **rear seats are tight** for adults, and the **trunk is small** (around **11.6 cu. ft.**), making it less practical for large families or frequent hauling.

7. **Potential Electrical Gremlins**

Some early 2019 models have had **software glitches** (e.g., infotainment freezing, sensor errors). Volkswagen has pushed updates, but a used GLI may still have **unresolved electrical quirks**.

---

### **Conclusion and Recommendation**

#### **Should You Buy This Car?**

Buying a **2019 Volkswagen GLI with a throttle body issue (RJFKZ)** depends on your **budget, priorities, and willingness to address maintenance**. Here s a breakdown:

- **Pros outweigh cons** it s a **fun, capable, and reliable** hot hatch for spirited driving.

- **Service records** (timing belt, oil changes, throttle body maintenance).

- **No active DSG or electrical issues** (test drive for smooth shifts).

- **No carbon buildup complaints** (ask previous owners).

- **Budget for repairs upfront** (throttle body cleaning/replacement is a **must**).

- **Avoid unless heavily discounted** the risk of **unexpected repairs** (especially with the DSG or turbo) may not be worth it.

- **Consider alternatives** like a **BMW 230i, Audi S3, or Mazda3 Turbo**, which may have better long-term reliability.

- **Best Case:** Buy a **GLI with a verified throttle body fix**, a **clean service history**, and **no DSG complaints**. It will be a **great daily driver and track car** with proper maintenance.

- **Worst Case:** If the throttle body issue is **not addressed** or the car has **other hidden problems**, it could become a **money pit** due to **TSI-specific repairs**.

- **Alternative Approach:** If you love the GLI but want lower risk, look for a **2020 model**, which has **improved software and fewer known issues**.

**Budget for the repair upfront.**

**Verify no other major mechanical issues.**

**Are prepared for slightly higher maintenance costs.**

If you re **not comfortable with TSI-specific repairs**, consider a **different brand or a later-model GLI** for better peace of mind.

Details:

Please also use the pictures to ensure a proper fit. Most electronic parts are not plug and play. This 2019 VOLKSWAGEN GLI Throttle Body is in overall good condition. Shipping is via USPS or UPS.

specifications throobo:

• for models: Gli
• for makes: Volkswagen
• for years: 2019
• mpn: 06f-133-062-ac
• part type: Throttle
• ipn: 337-10063
• fitment type: Direct Replacement
• modified item: No
• manufacturer warranty: Unspecified Length

payments throobo:

• credit card: Discover
• wallet: Apple-pay
• other

general throobo:

• Car Truck Parts Accessories > Air Fuel Delivery > Throttle Bodies
• condition: Used

shipping throobo:

• cost: $0.00
• transit: 4-7 Days
• class: Expedited
• type: Fixed
• service: Expedited

offer throobo:

• quantity: 1
• started: February 26, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock

seller throobo:

• rating: 99.1%
• # reviews: 77494
• city: Las Vegas, Nevada

returns throobo:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

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