JAGUAR C2C17431 Throttle Body Valve Body/valve

( Manufacturer Part Number: C2C17431 ), ( Color: Silver ), ( Items Included: Oem ), ( Interchange: 337-61013c ), ( Type: Throttle Body ), ( Year: 2003 2004 2005 ), ( Manufacturer Warranty: 1 Month ), ( Id: 46c85712-7463-48f2-aac2-c18d1cad5eba ), ( Country Of Origin: United Kingdom )

Review JAGUAR Throttle Body/valve Assembly Oem fits XJ8 2003–2005

The **Jaguar XJ8 Throttle Body/Valve Assembly (Part Number: C2C17431, Years: 2003 2005)** is a precision-engineered component integral to the performance and drivability of Jaguar s iconic AJ-V8-powered XJ8 models from the early 2000s. Designed to regulate airflow into the engine s intake system, this throttle body houses a sophisticated electronic throttle control (ETC) valve, which modulates throttle position in response to driver input via the accelerator pedal, ensuring seamless and responsive throttle response. Crafted from high-grade materials, including durable plastic and precision-machined metal components, the assembly is engineered to withstand the demands of high-performance driving while maintaining reliability under varying operating conditions. The throttle body features a robust drive-by-wire system, eliminating traditional mechanical linkages in favor of electronic signals that enhance throttle precision and reduce wear over time. This design not only improves fuel efficiency and engine performance but also contributes to the XJ8 s signature blend of luxury and sportiness. For restoration or maintenance projects, this part is a critical replacement for worn or malfunctioning throttle bodies, ensuring optimal engine function and adherence to Jaguar s exacting standards. Whether restoring a classic XJ8 to its former glory or addressing performance-related issues, this throttle body/valve assembly is a vital component that upholds the vehicle s legendary driving dynamics.

**Pros and Cons of Buying a 2003-2005 Jaguar XJ8 (C2C17431) with a Throttle Body/Valve Issue**

### **Pros**

1. **Classic Jaguar Appeal** The XJ8 is a well-regarded luxury grand tourer with a distinctive design, strong V8 engine, and a reputation for comfort and refinement. Its presence value and collector appeal can make it a rewarding long-term investment for enthusiasts.

2. **V8 Performance** The 4.2L or 5.0L AJ-V8 engines are powerful (300 400 hp, depending on the model) and offer a smooth, engaging driving experience. The V8 sound and torque delivery are key selling points for Jaguar fans.

3. **Luxury and Comfort** The XJ8 is known for its plush interior, quiet cabin, and high-end features (leather, wood trim, power everything). It s ideal for those who prioritize comfort and prestige over sportiness.

4. **Potential for Restoration** If the car is otherwise sound, a well-executed restoration could significantly increase its value, especially if it s a rare or desirable variant (e.g., V8 S, V8 SE, or limited editions).

5. **Parts Availability** While parts are not as abundant as for modern cars, Jaguar s classic models still have a decent aftermarket support, particularly for common components like the engine, transmission, and suspension.

6. **Potential for Modifications** The V8 can be tuned for better performance, and aftermarket support exists for upgrades like exhausts, intakes, and ECU remaps (though these may void warranties if applicable).

7. **Lower Running Costs (Compared to Modern Luxury Cars)** Fuel efficiency is poor (around 12 15 MPG), but maintenance costs for basic upkeep (oil changes, brakes, etc.) are often lower than for high-end modern luxury cars.

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### **Cons**

1. **Throttle Body/Valve Issues** The most critical concern is the throttle body or intake valve problems, which can cause rough idling, stalling, hesitation, or even failure to start. These issues are common in the AJ-V8 engines and often require:

- **Throttle body cleaning or replacement** (a relatively simple fix if the issue is carbon buildup).

- **Intake valve replacement** (a more involved and costly job, often requiring engine disassembly).

- **ECU or sensor failures** (related to throttle position or airflow sensors).

If the problem is severe or the car has a history of neglect, these repairs can be expensive (potentially $1,000 $3,000 depending on labor rates and parts).

2. **Rust and Structural Concerns** Jaguars from this era are notorious for rust, particularly in the wheel arches, sills, and subframe areas. A thorough inspection (including a lift inspection) is essential to avoid buying a car with hidden structural damage.

3. **Electrical Gremlins** The XJ8 s electrical system is prone to failures, including faulty sensors, wiring issues, and unreliable components (e.g., window regulators, door locks, or infotainment systems). These can be costly to diagnose and repair.

4. **Transmission Problems** The 4-speed automatic (ZF 4HP24) is generally reliable but can develop leaks or rough shifting over time. Some owners report issues with the torque converter or solenoid pack, which may require a rebuild or replacement.

5. **High Maintenance Costs** While parts exist, labor-intensive repairs (e.g., engine work, suspension, or electrical) can be expensive due to the car s complexity and the need for specialized mechanics. Jaguar dealerships often charge premium rates for work.

6. **Fuel Economy** The V8 engines are thirsty, with real-world MPG often below 12. This adds to running costs, especially if the car is used for daily driving.

7. **Depreciation** Classic Jaguars do not hold value as well as some other luxury brands (e.g., Mercedes or BMW). The XJ8 is not a high-demand collector car, so resale value may not justify the purchase for purely financial reasons.

8. **Driving Experience Limitations** The XJ8 is not a sporty car. It s heavy, understeer-prone, and lacks modern handling aids. The ride is comfortable but not engaging, which may disappoint drivers seeking performance or agility.

9. **Emissions and Compliance** In some regions, older cars may face restrictions on registration or require modifications to meet emissions standards, adding to ownership hassles.

10. **Market Saturation** There are many XJ8s on the market, which can make finding a truly sound example difficult. Buyers often end up paying more for a "project car" than they might for a reliable alternative.

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### **Ending Conclusion**

Buying a 2003 2005 Jaguar XJ8 with throttle body/valve issues is a **high-risk, high-reward** proposition. The car s strengths its V8 power, luxury, and classic Jaguar charm can make it a fantastic project for an experienced owner who is prepared for significant repairs and maintenance. However, the throttle body/valve problems alone can be a major deterrent, especially if the car has a history of neglect or if the issues are severe.

- **Engine condition** (check for carbon buildup, valve wear, or oil leaks).

- **Throttle body and intake system** (clean or replace if necessary).

- **Rust inspection** (especially wheel arches, sills, and subframe).

- **Electrical and transmission health** (test all sensors, wiring, and fluid levels).

- **Service history** (a well-documented car with regular maintenance is far more reliable).

If the throttle body/valve issues are minor and the rest of the car is in good shape, the XJ8 can be a rewarding buy for an enthusiast. If the problems are extensive or the car has other major faults, it may be more cost-effective to consider alternatives, such as a later-model XJ (with more reliable engines) or a well-maintained luxury grand tourer from another brand.

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### **Recommendation**

- **Buy only if:** You have mechanical experience, a budget for repairs (especially throttle body/valve work), and a passion for restoring classic Jaguars. Ensure the car has a clean bill of health beyond the throttle issues.

- **Avoid if:** You re looking for a reliable daily driver, lack mechanical skills, or cannot afford unexpected repairs. The XJ8 is not a "set-and-forget" car.

- **Alternative Considerations:** If you love the XJ8 s style but want reliability, look for a later-model XJ (e.g., 2006 with the AJ-V8 or AJ-V12) or a well-maintained BMW 7 Series, Mercedes S-Class, or Audi A8 for a more modern luxury experience.

Ultimately, the XJ8 is a car for those who appreciate its flaws as part of its character if you re prepared for the challenges, it can be an incredibly rewarding purchase.

Details:

Shipping prices for ground apply only to the continental USA. All electronics are tested before removed from vehicle. For local orders, pay on pickup available. JAGUAR S-TYPE 03 Throttle Valve Assembly, 8 cylinder 4.2L, excl.

Item condition: The item is in good condition, fully operational, and demonstrates normal signs of use.

part #: c2c17431 prices

• $119.80-$160.30

specifications throobo:

• for models: Xj8
• for makes: Jaguar
• for years: 2003-2005
• mpn: C2c17431
• color: Silver
• items included: Oem
• interchange: 337-61013c
• type: Throttle Body
• year: 2003 2004 2005
• manufacturer warranty: 1 Month
• id: 46c85712-7463-48f2-aac2-c18d1cad5eba
• country of origin: United Kingdom

shipping throobo:

• cost: $25.00
• type: Fixed
• transit: 3-7 Days
• service: Standard
• class: Standard

general throobo:

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

seller throobo:

• rating: 99.9%
• city: Rancho Cordova, California
• # reviews: 7378

payments throobo:

• cash
• other
• wallet: Paypal
• credit card: Mastercard

returns throobo:

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

offer throobo:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• best offers: True
• started: April 13, 2026

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