SPARK TH-66 Box Throttle Position Sensor 3.8L-V6 4.9L-L6

( Brand: Spark ), ( Part Type: Box Throttle Sensor ), ( Manufacturer Part Number: TH-66 )

Review SPARK New Out Of Box Throttle Position Sensor Ford 3.8l-v6 4.9l-l6 fits 1985–1988

The Spark TH-66 Box Throttle Position Sensor is a crucial component for the fuel injection system in certain Ford vehicles manufactured between 1985 and 1988, specifically those equipped with the 3.8L V6 and 4.9L L6 engines. This sensor plays a vital role in maintaining optimal engine performance and fuel efficiency.

This throttle position sensor is designed as a compact, self-contained unit that fits neatly into the intake manifold or throttle body of your Ford engine. It utilizes advanced technology to measure the position of the throttle valve and transmit that information to the vehicle's engine control module (ECM). The ECM then uses this data to calculate the appropriate fuel injection and ignition timing for your engine, ensuring smooth and efficient operation.

The sensor housing is made of robust materials to withstand the harsh conditions of the engine compartment. It features a heat-resistant, high-temperature wire harness that ensures reliable signal transmission between the sensor and the ECM. The sensor element itself is precision-engineered to provide accurate and consistent readings over an extended period, contributing to stable engine performance and improved driveability.

Installing the Spark TH-66 Box Throttle Position Sensor is a straightforward process, taking only about an hour or less for most DIY enthusiasts. The sensor comes with all necessary hardware, including mounting brackets and wiring connectors, ensuring a hassle-free installation experience.

If you're experiencing issues with your Ford's fuel injection system, such as poor engine performance, rough idling, or stalling, a faulty throttle position sensor could be the culprit. By replacing your old sensor with the Spark TH-66 Box Throttle Position Sensor, you can restore your vehicle to its intended performance levels and enjoy a more enjoyable and efficient driving experience.

In summary, the Spark TH-66 Box Throttle Position Sensor is a high-quality, compact, and self-contained unit that accurately measures the position of the throttle valve and transmits that data to the engine control module for optimal engine performance and fuel efficiency. It is specifically designed for Ford vehicles equipped with 3.8L V6 and 4.9L L6 engines from the 1985 to 1988 model years. With its rugged construction, reliable signal transmission, and simple installation process, this sensor is an essential tool for maintaining your Ford's performance and longevity.

Throttle Position Sensor Replacement for 1985-1988 Ford 3.8L-V6 and 4.9L-L6 Engines: A Pros and Cons Analysis

The Throttle Position Sensor (TPS) is an essential component of the Ford 3.8L-V6 and 4.9L-L6 engines manufactured between 1985 and 1988. This sensor plays a crucial role in the engine management system by measuring the position of the throttle valve and providing the necessary information to the engine computer. When the TPS fails, it can result in various driveability issues, including engine stalling, poor acceleration, and rough idling. In this analysis, we will discuss the pros and cons of buying a new Spark TH-66 Box Throttle Position Sensor for the aforementioned Ford models.

1. Improved Driveability: Replacing a faulty TPS can significantly improve the driveability of your vehicle. You will notice smoother acceleration, better idling stability, and reduced engine stalling.

2. Enhanced Fuel Efficiency: A malfunctioning TPS can lead to poor fuel economy. By replacing the faulty sensor, you can potentially save money on fuel costs.

3. Long-Term Cost Savings: While the upfront cost of a new TPS may seem high, the long-term cost savings can be substantial. Replacing the sensor can prevent more extensive and expensive repairs down the line.

4. OEM Quality: The Spark TH-66 Box Throttle Position Sensor is an original equipment manufacturer (OEM) replacement part. This means that it is designed to meet or exceed the original equipment specifications and is likely to provide reliable and long-lasting performance.

1. Upfront Cost: Replacing a TPS can be an expensive repair, especially if you choose to purchase an OEM part like the Spark TH-66 Box Throttle Position Sensor.

2. Installation Complexity: Depending on your mechanical expertise, installing a new TPS can be a complex process. You may need to remove various engine components to access the sensor, which can be time-consuming and frustrating.

3. Potential for Additional Issues: In some cases, a faulty TPS may be a symptom of a more extensive issue within the engine management system. Replacing the sensor may not entirely resolve the problem, and you may need to address additional concerns.

The decision to replace a faulty TPS in your 1985-1988 Ford 3.8L-V6 or 4.9L-L6 engine with a new Spark TH-66 Box Throttle Position Sensor depends on various factors, including your budget, mechanical expertise, and personal priorities. While the upfront cost may be a concern, the potential for improved driveability, enhanced fuel efficiency, and long-term cost savings make this an attractive option for many vehicle owners. Additionally, the OEM quality of the Spark TH-66 Box Throttle Position Sensor provides peace of mind and reliability. Ultimately, the decision is yours, but considering the pros and cons outlined above can help inform your choice.

If you are experiencing driveability issues and suspect that your TPS may be faulty, it is recommended that you consult with a professional mechanic to diagnose the problem accurately. They can assess the condition of your TPS and provide you with a cost estimate for repair or replacement. If you choose to replace the sensor, consider using an OEM part like the Spark TH-66 Box Throttle Position Sensor to ensure reliable and long-lasting performance.

part # th66 prices

• $45.88-$52.39

specifications injectiopug:

• for makes: Ford
• for years: 1985-1988
• brand: Spark
• part type: Box Throttle Sensor
• manufacturer part number: TH-66

payments injectiopug:

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

seller injectiopug:

• rating: 99.7%
• # reviews: 268757

returns injectiopug:

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

shipping injectiopug:

• type: Fixed
• service: USPS Ground Advantage
• cost: $0.00
• class: Standard
• transit: 5-10 Days
• carrier: USPS

offer injectiopug:

• quantity: 183
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: February 14, 2026

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New other see details

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