SATURN 21015268 Sohc Throttle Body Valve Sensors

( Manufacturer Part Number: 21015268 ), ( Part Type: Valve Throttle Sensor ), ( Id: F6461485-01cb-4c50-941b-0c579f7a706f ), ( Interchange: 337-5336 )

Review SATURN Sohc Throttle Body Valve Oem Sensors fits SL1 2000–2002

The **Saturn 21015268 Throttle Body Assembly (2000-2002 SL1 SOHC)** is a precision-engineered component designed to regulate airflow into the engine, ensuring optimal performance, fuel efficiency, and emissions compliance for the 2.2L SOHC (Single Overhead Camshaft) inline-four engine found in the Saturn SL1. This throttle body is a critical part of the engine s intake system, housing the **throttle valve, idle air control (IAC) valve, and the necessary sensor modules**, including the **throttle position sensor (TPS)** and **mass airflow sensor (MAF) interface points**, which work in tandem with the engine control module (ECM) to maintain precise throttle response and idle stability. Crafted from durable materials, including high-grade plastics and metal components, this throttle body is engineered to withstand the demands of high-performance driving while resisting wear, corrosion, and thermal degradation over time. The **sliding throttle valve mechanism** allows for smooth, progressive opening and closing, minimizing throttle lag and ensuring a responsive driving experience, whether cruising on the highway or accelerating from a stop. The **integrated idle air control valve** adjusts airflow when the throttle is closed, helping to maintain a stable idle speed under varying conditions, such as when accessories like the air conditioning or radio are engaged. Additionally, the **throttle position sensor** provides real-time feedback to the ECM, allowing for precise fuel injection and ignition timing adjustments, which are essential for both performance and fuel economy. For enthusiasts and mechanics alike, this throttle body is a vital component that, when properly maintained or replaced, can restore the SL1 s original driving dynamics, eliminate rough idling, or correct issues like stalling, hesitation, or poor throttle response. Whether sourced as an OEM replacement or a high-quality aftermarket alternative, this part is a cornerstone of the SL1 s intake system, ensuring that every shift of the pedal translates into smooth, reliable power delivery.

### **Pros and Cons of Buying a Saturn 21015268 (2000-2002 SL1 SOHC with Throttle Body Valve Sensors)**

#### **Pros**

1. **Affordability** The Saturn SL1 (especially the 2000-2002 models) is generally cheaper to purchase than many other sports cars in its class, making it an attractive entry point for enthusiasts on a budget.

2. **Lightweight and Agile** The SL1 is one of the lightest production cars of its era, weighing around **2,300 lbs (1,043 kg)**, which contributes to sharp handling and quick acceleration. Its compact size also makes it easy to maneuver in tight spaces.

3. **Unique Design and Aesthetics** The SL1 has a distinctive, futuristic look with its **sleek, wedge-shaped body**, aerodynamic lines, and minimalist styling. Its design remains recognizable and stands out compared to more conventional sports cars.

4. **Decent Performance for Its Time** The **2.0L SOHC (Single Overhead Cam) inline-4 engine** (L62 or L63 variant) produces around **160 170 hp** (depending on year and modifications), which is respectable for a small, lightweight car. With modifications (e.g., turbocharging, camshaft upgrades, or fuel injection tuning), it can be pushed to **250 hp** with proper maintenance.

5. **Modular and Tunable** The SL1 s engine bay is spacious, and the **throttle body, sensors, and intake system** are relatively easy to modify. Aftermarket support exists for **ECU tuning, forced induction, and suspension upgrades**, allowing owners to significantly enhance performance.

6. **Low Running Costs (Compared to Supercars)** Fuel efficiency is decent for a sports car (** 20 25 MPG combined**), and parts are often cheaper than those for more exotic or high-performance vehicles. Basic maintenance (oil changes, brake pads, etc.) is straightforward and affordable.

7. **Strong Community and Aftermarket Support** The SL1 has a **dedicated fanbase** with forums (e.g., SaturnSL1.com, Reddit s r/SL1), clubs, and aftermarket parts suppliers. This means troubleshooting, modifications, and restoration projects have a wealth of shared knowledge.

8. **Potential for Restoration and Customization** Many SL1s are sold in **project form**, allowing buyers to restore them to original condition or build them into something entirely unique. The car s simplicity also makes it a good candidate for **DIY repairs and upgrades**.

9. **Good for Track Use (With Modifications)** While stock SL1s are not track-ready, with **suspension upgrades, brake improvements, and engine tuning**, they can perform well on **street tracks** or autocross events. The lightweight chassis responds well to handling modifications.

10. **Nostalgia and Rarity Appeal** As a **limited-production (around 10,000 units total)** sports car, the SL1 has a **cult following**. Owning one can be a point of pride for enthusiasts who appreciate its unique place in automotive history.

---

#### **Cons**

1. **Reliability Issues (Especially with Age)** Like many cars from the late '90s/early 2000s, the SL1 can suffer from **wear-and-tear problems** if not properly maintained. Common issues include:

- **Timing chain stretch** (leading to **valve float** and poor performance).

- **Oil leaks** (valve cover gasket, oil filter housing gasket).

- **Suspension wear** (ball joints, bushings, shocks).

- **Electrical gremlins** (faulty sensors, wiring issues).

- **Transmission problems** (especially in the **5-speed manual**, which can be finicky).

- **Timing chain inspection/replacement** (every **60K 100K miles**).

- **Spark plug and coil replacements** (every **30K 50K miles**).

- **Fuel system cleaning** (carbon buildup is common).

- **Suspension and steering component checks** (due to its lightweight nature, wear happens faster).

3. **Limited Stock Parts Availability** While aftermarket parts exist, **OEM (Original Equipment Manufacturer) components** can be **hard to find** for older SL1s. Some parts (e.g., **specific sensors, wiring harnesses, or rare body panels**) may require **custom fabrication or sourcing from salvage yards**.

4. **Poor Stock Comfort and Practicality** The SL1 is **not a comfortable daily driver**. Its **stiff suspension, cramped interior, and limited rear legroom** make long trips uncomfortable. The **manual transmission (if equipped)** can be **tough to shift** under heavy throttle.

5. **Fuel Economy is Average for a Sports Car** While better than many muscle cars, the SL1 s ** 20 25 MPG** is on the lower end for its class. With modifications (especially forced induction), fuel efficiency **drops significantly**.

6. **Depreciation and Resale Value** The SL1 has **not held its value well** over time. While it remains a **collector s item** for enthusiasts, its **resale value is not strong** compared to more desirable sports cars (e.g., Miata, Z06, or even some older Mustangs).

7. **Modifications Can Be Expensive** While tunable, **serious engine upgrades (turbocharging, supercharging, or major camshaft swaps)** require **expensive parts and labor**. A **full rebuild or engine swap** can cost **$5,000 $15,000 **, depending on scope.

8. **Weather Sensitivity** The SL1 s **lightweight construction** means it can be **sensitive to crosswinds and rough roads**. Its **soft suspension** (stock) can make it **bouncy on bad pavement**, and its **low ground clearance** makes it prone to **underbody damage** in rough conditions.

9. **Limited Aftermarket Support for Some Components** While the **engine and suspension** have strong aftermarket support, **less common parts (e.g., **air conditioning, power steering, or some interior components)** may require **custom or rare replacements**.

10. **Potential for "Lemon" Buys** Due to its **common issues**, some SL1s are **poorly maintained or have hidden problems**. Buyers should **always inspect a used SL1 thoroughly** (or have a trusted mechanic do so) to avoid **expensive repairs**.

---

### **Ending Conclusion**

The **Saturn SL1 (2000-2002, SOHC with throttle body sensors)** is a **fascinating but challenging** purchase. It offers **unique design, lightweight agility, and strong tunability**, making it an **excellent choice for enthusiasts who enjoy working on their cars and appreciate its niche appeal**. However, it also comes with **reliability concerns, high maintenance demands, and practical limitations** that make it **less ideal for casual drivers or those seeking a hassle-free experience**.

If you **love the SL1 s character, are prepared for maintenance, and enjoy modifications**, it can be a **rewarding and fun project**. If you **prioritize reliability, comfort, or low ownership costs**, there may be **better alternatives** (e.g., a **Mazda Miata, Toyota Supra, or a well-maintained Porsche 944**).

---

### **Recommendation**

You **have mechanical experience** or are willing to **learn and invest time** in maintenance.

You **enjoy customization** and want a **tunable, lightweight sports car** for track days or street performance.

You **appreciate the SL1 s unique design** and are part of its **enthusiast community** for support.

You **find a well-documented, low-mileage example** (under **100K miles**) with **proper service records**.

You **budget for potential repairs** (expect **$2,000 $5,000 ** in the first year if buying used).

You **don t mind a cramped, firm ride** and prioritize **fun over comfort**.

You **want a reliable, low-maintenance daily driver**.

You **lack mechanical knowledge** or **can t commit to regular upkeep**.

You **need a comfortable, practical car** for long trips.

You **can t afford unexpected repairs** (timing chain, suspension, electrical issues).

You **prefer a more established sports car** with better parts availability (e.g., Miata, 911, Camaro).

- **Buy from a trusted seller** (preferably with **service records**).

- **Get a pre-purchase inspection** (especially check **timing chain, suspension, and electrical systems**

Details:

Throttle Body/valve Assay. Search for more parts Saturn's SERIES. Model: Saturn's SERIES.

part #: 21015268 prices

• $65.00-$109.99

specifications throobo:

• for models: Sl1
• for makes: Saturn
• for years: 2000-2002
• mpn: 21015268
• part type: Valve Throttle Sensor
• id: F6461485-01cb-4c50-941b-0c579f7a706f
• interchange: 337-5336

payments throobo:

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

offer throobo:

• started: February 2, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• best offers: True

general throobo:

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

seller throobo:

• city: Brush, Colorado
• # reviews: 14082
• rating: 99.2%

returns throobo:

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

shipping throobo:

• class: Standard
• service: Standard
• type: Fixed
• transit: 3-7 Days
• cost: $0.00

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