Where is the intake air temperature sensor located on the Volkswagen Touran?

1 Answers
LaTeagan
07/30/25 9:17am
Intake air temperature sensor is located on the intake hose after the air filter or on the mass air flow sensor. Working principle of intake air temperature sensor: The intake air temperature sensor is a negative temperature coefficient thermistor. When the temperature rises, the resistance decreases, and when the temperature drops, the resistance increases. As the resistance in the circuit changes, it causes voltage variations, thereby generating different voltage signals to complete the automatic operation of the control system. When the engine is cold, the signal from the intake air temperature sensor is basically the same as that from the engine coolant temperature sensor. When the engine is warm, its signal voltage is approximately 2 to 3 times that of the coolant temperature sensor. Function of intake air temperature sensor: To detect the intake air temperature of the engine and convert it into a voltage signal input to the ECU as a signal for fuel injection correction.
Was this review help?
20
3
Share
More Forum Discussions

What is NEDC car?

NEDC is not a specific car model, but rather a vehicle testing method. Below are detailed explanations about NEDC: Overview: NEDC stands for "New European Driving Cycle". Translated into Chinese, it means "New European Driving Cycle", also known as "New Standard European Cycle Test". Others: NEDC is Europe's range testing standard. In China, the Ministry of Industry and Information Technology adopts the NEDC testing standard when evaluating the comprehensive range of pure electric vehicles. This standard is primarily used in Europe, China, and Australia.
8
4
Share

Can the car pass the annual inspection if the engine warning light is on?

The car cannot pass the annual inspection if the engine warning light is on. The annual inspection is to check whether the vehicle meets the standards, and the warning light indicates that there is a fault in the vehicle. These warning lights include the engine fault light (constantly on), brake system fault light (constantly on), airbag indicator light (constantly on), electric power steering fault light, etc. Therefore, it is necessary to check the vehicle in advance before the annual inspection, and if there are any problems, they should be repaired in time. Other factors that affect the annual inspection include: Unauthorized modification of xenon headlights: According to national standards, unauthorized modification of xenon headlights with excessive brightness cannot pass the inspection line. It is necessary to install lenses to meet the standards. Wheel modification: If the size of the replaced wheels is the same as the original ones, the car can pass the annual inspection. However, if the replaced wheels are too large or have an exaggerated style, it will not pass. Window film color too dark: If the window film color is too dark, resulting in a light transmittance of less than 70%, the car cannot pass the annual inspection. Body stickers covering more than 30% of the body area: According to regulations, the area of body color change film and stickers must not exceed 30% of the total body area. If it exceeds 30%, the car cannot pass the annual inspection.
8
5
Share

What does kW mean for an engine?

Engine kW represents power. Power calculation formula: Power P = Speed V multiplied by traction force F. Therefore, the product of F and V determines the car's power. The car's power determines its speed, while torque determines its acceleration. Rated power: Rated power refers to the power when an electrical appliance operates normally. The value of power is the rated voltage of the appliance multiplied by the rated current. If the actual power of the appliance is greater than the rated power, the appliance will be damaged; if the actual power is less than the rated power (P_actual < P_rated), the appliance cannot operate normally. Relationship between power and speed: Under normal operating conditions, the output power of a power device or the input power of an energy-consuming device. It is often measured in "kilowatts." It also refers to the power that a machine produced in a factory can achieve during normal operation. That is, the commonly referred power of a machine. The rated power of a machine is constant, P=Fv, so the force generated by the machine and its operating speed are inversely proportional. For example, when a car is driving on a flat asphalt road, the required traction force F is smaller, allowing for higher speeds; when the road is uneven or going uphill, a larger traction force is required, necessitating a switch to lower speeds.
2
4
Share

Does the 2021 Audi A6 have a particulate filter?

2021 Audi A6 does not have a particulate filter. A particulate filter is a ceramic filter installed in the exhaust system of diesel engines, which captures particulate emissions before they enter the atmosphere. It can reduce the soot produced by diesel engines by more than 90%, and the captured particulate emissions are subsequently burned off during vehicle operation. Working principle of the particulate filter: The diesel particulate filter is coated with metals such as platinum, rhodium, and palladium. The black smoke containing carbon particles emitted by the diesel engine enters the exhaust particulate trap through a dedicated pipe. After passing through the densely arranged bag-type filters inside, the carbon particles are adsorbed onto the filter made of metal fiber felt. When the adsorption of particles reaches a certain level, the burner at the end automatically ignites, burning off the adsorbed carbon particles and converting them into harmless carbon dioxide for emission. To check whether the 2021 Audi A6 is equipped with a particulate filter, you can use the following three methods: Check the and to see if there is a particulate filter function. Additionally, carefully review the fault codes in the manual to see if there is a "particulate filter" warning light indicator; Check the label above the oil filler cap. If the oil cap clearly states 0W-20 grade oil, it indicates the presence of a particulate filter; Check whether there is a cylindrical section on the exhaust pipe behind the three-way catalytic converter. If there is, that is the particulate filter.
7
5
Share

What is the fuel tank capacity of the Camry 2.5 in liters?

The Camry 2.5L has 7 models currently on sale. The hybrid version has a fuel tank capacity of 49 liters, while other versions have a fuel tank capacity of 60 liters. This data is officially released, and owners of the Camry 2.5L can also check it on the vehicle's configuration sheet. The Camry 2.5L requires 92-octane fuel. The hybrid version has a fuel consumption of 4.1L per 100 kilometers, allowing a range of 1195km on a full tank. Other versions have a fuel consumption of 6L per 100 kilometers, providing a range of 1000km on a full tank. During daily driving, it is essential to monitor the remaining fuel level in the tank. This is typically observed via the fuel gauge inside the vehicle. If there are no other issues, the fuel level will be accurately reflected on the gauge. The fuel gauge usually has 5 to 6 segments, and it is advisable to refuel when only 2 segments remain to avoid running out of fuel midway. During actual refueling, the amount of fuel added may exceed the marked capacity. This is because the manufacturer's specified fuel tank capacity is measured from the bottom of the tank to the safe limit, with additional space from the safe limit to the tank opening. This space ensures that the fuel can expand when temperatures rise without overflowing. If fuel is added up to the tank opening, the actual refueling amount may exceed the marked capacity.
7
3
Share

Can motorcycles purchase commercial insurance?

Motorcycles can purchase commercial insurance. Here are some relevant introductions about motorcycles: Characteristics of motorcycles: Motorcycles are two-wheeled or three-wheeled vehicles driven by gasoline engines and steered by handlebars to control the front wheel. They are lightweight, flexible, and fast, widely used for patrol, passenger and cargo transportation, and also serve as sports equipment. Types of motorcycles: Broadly speaking, motorcycles are divided into street bikes, road racing motorcycles, off-road motorcycles, cruisers, and touring bikes. Components of motorcycles: Motorcycles consist of five main parts: the engine, transmission system, running gear, braking system, and electrical instrumentation equipment.
15
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.