2. Throttle Position Sensor (TPS) Failure: The TPS is responsible for sending signals to the engine control unit regarding the throttle position. A faulty TPS can cause erratic idling, poor acceleration, and potential stalling.

Importance of Brake Fluid Maintenance:
Proper maintenance of brake fluid is crucial for the overall performance and safety of the vehicle. Old or contaminated brake fluid can lead to several issues, including:
1. Reduced braking performance: Contaminated or degraded brake fluid can cause a decrease in braking efficiency, leading to longer stopping distances and reduced overall safety.
2. Component damage: 2016 Jeep Wrangler 3.6L ECM Replacement Cost Old brake fluid can cause corrosion and wear on brake system components, potentially leading to costly repairs or replacements.
3. Brake system failure: In extreme cases, neglected brake fluid can lead to brake system failure, resulting in a complete loss of braking ability and a serious safety hazard.

Common Issues and Maintenance:
Like any other mechanical component, steering gearboxes can experience wear and tear over time. Some common issues that may arise with steering gearboxes include:
- Fluid Leaks: A leak in the gearbox or power steering system can cause a loss of hydraulic fluid, leading to difficulty in steering.
- Play in Steering: Excessive play or looseness in the steering wheel may indicate worn gears or bearings in the gearbox.
- Hard Steering: If the steering wheel is difficult to turn, it may be due to a malfunctioning gearbox or power steering system.
Regular maintenance of the steering gearbox is essential to ensure its proper functioning and prolong its lifespan. Here are some tips for steering gearbox maintenance:
- Check the power steering fluid levels regularly and top up if needed.
- Inspect the gearbox for leaks and have any leaks repaired promptly.
- Have the steering system inspected by a qualified mechanic as part of routine vehicle maintenance.
- Follow the manufacturer's recommended service intervals for power steering fluid changes and steering system inspections.

Maintenance and Inspection:
Regular maintenance and inspection of brake fluid are crucial to ensuring the proper functioning of the brake system and the safety of the vehicle. Here are some tips for maintaining brake fluid:
1. Check fluid levels: Periodically check the brake fluid reservoir to ensure that the fluid level is within the recommended range.
2. Inspect for leaks: Look for any signs of brake fluid leaks, such as wet spots or puddles under the vehicle, which can indicate a problem in the brake system.
3. Color and clarity: Brake fluid should be clear and light-colored. If it appears dark or contaminated, it may be time to flush and replace the fluid.
4. Replace periodically: Brake fluid should be replaced according to the manufacturer's recommended maintenance schedule, typically every 2-3 years.

Types of Radiator Hoses:
1. Upper Radiator Hose: This hose connects the top of the radiator to the engine's thermostat housing.
2. Lower Radiator Hose: It connects the bottom of the radiator to the water pump of the engine.
3. Bypass Hose: This hose allows coolant to bypass the thermostat when the engine is cold, promoting faster warm-up.

1. **Overheating:** This can be caused by a malfunctioning radiator, low coolant level, or a faulty thermostat. If your engine is overheating, it can cause serious damage and should be addressed immediately.

Function and Importance:
The primary function of a knock sensor is to monitor engine vibrations and detect instances of engine knock. When knock is detected, the sensor sends a signal to the engine control unit (ECU) to adjust the engine timing, spark advance, or fuel-air mixture to prevent knocking. By adjusting these parameters in real-time, knock sensors help protect the engine from potential damage and optimize performance and fuel efficiency.

Types of Steering Gearboxes:
There are different types of steering gearboxes used in vehicles, including:
1. Rack and Pinion: This is the most commonly used type of steering gearbox in modern vehicles. It consists of a rack (a straight bar with gear teeth) and a pinion gear. As the steering wheel is turned, the pinion gear moves the rack side to side, which turns the wheels.
2. Recirculating Ball: This type of gearbox involves a worm gear inside a housing filled with ball bearings. As the steering wheel turns, the worm gear moves the ball bearings, which then move a mechanical linkage to turn the wheels.
3. Power Steering Gearbox: Many vehicles are equipped with power steering, which uses hydraulic or electric power assistance to make steering easier. The steering gearbox in power steering systems helps control the amount of assistance provided to the driver.

Introduction:
Knock sensors play a crucial role in modern automotive engine systems by detecting abnormal combustion in the engine, known as knocking or pinging. This article will delve into the function, importance, and operation of knock sensors in ensuring optimal engine performance and longevity.