What are the methods for throttle valve matching?

1 Answers
MacLuna
07/30/25 4:45am
1. Manual matching: Some vehicles use cable-operated throttle valves. After replacing the throttle valve, manual matching can be performed by turning the ignition key on and off several times. The vehicle's computer will then delete the memory of the old throttle valve and store the data of the new one. If the vehicle starts and runs normally, the matching is complete. 2. Power disconnection matching: After replacing the throttle valve, you can disconnect the negative terminal of the battery and wait for one minute before reconnecting it. This process will clear the original memory of the vehicle's computer and restore it to factory settings. If the vehicle starts and runs normally, the matching is successful. This method is only suitable for low-end vehicles and cannot be used for high-end vehicles. 3. Diagnostic tool matching: After replacing the throttle valve, a dedicated automotive diagnostic tool can be used for matching. After entering the system, select the action test and click "adaptive value reset to zero." Repeat this process several times. If the vehicle starts and runs normally, the matching is successful. 4. Using the old throttle position sensor for matching: If idle speed instability or excessively high idle speed occurs after installing a new throttle valve, you can unplug the connector of the newly installed throttle position sensor and plug it into the old throttle position sensor. Start the vehicle, and if it runs normally, you can then turn off the engine and reconnect the wiring harness to the new throttle valve. 5. Electronic throttle manual matching: Most modern engines use electronic throttle valves, and the matching method differs from that of cable-operated throttle valves. After replacing the throttle valve, turn on the ignition switch. You will hear the sound of the throttle motor operating. Wait for about one minute until the throttle motor operates again. At this point, you can start the vehicle directly. If the vehicle runs normally, the matching is successful.
Was this review help?
10
3
Share
More Forum Discussions

What are the differences between a Shanghai driver's license and an out-of-town driver's license?

Shanghai driver's license and out-of-town driver's license have the following differences: Different issuing authorities: The issuing authority for the Shanghai "Motor Vehicle Driver's License" is the Shanghai Vehicle Management Office, while the issuing authority for out-of-town "Motor Vehicle Driver's Licenses" is the local vehicle management office. Different difficulties in applying for an international driver's license: Applying for a temporary international driver's license is relatively easier in Shanghai because it is an international metropolis, and drivers here are considered by foreigners to have proficient driving skills. An international driving permit must be used together with the national driver's license to be valid. It is more difficult or even impossible to apply for an international driver's license with an out-of-town license. When driving in a country where the language of the driver's license is not the official language of that country, the international driving permit can help drivers overcome language barriers with local authorities such as police during travel abroad.
9
0
Share

How Long Can a 2008 Car Still Be Driven?

It depends on the maintenance level. If the annual inspection is passed, a 2008 car can be driven as long as desired. Below is more information about the driving lifespan of a car: 1. Conditions to be met: (1) The annual inspection must be passed. (2) There are no relevant local driving restrictions. (3) The mileage does not exceed 600,000 kilometers. 2. Legal basis: According to the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China": (1) Passenger vehicles for commercial use must be inspected once a year within 5 years; after 5 years, once every 6 months. (2) Trucks and large or medium-sized non-commercial passenger vehicles must be inspected once a year within 10 years; after 10 years, once every 6 months. (3) Small and micro non-commercial passenger vehicles must be inspected once every 2 years within 6 years; after 6 years, once a year; after 15 years, once every 6 months.
3
5
Share

How many cylinders does the Trumpchi GS3 engine have?

The Trumpchi GS3 is equipped with two types of engines. One is a 1.5-liter naturally aspirated engine, which is a four-cylinder engine. The other is a 1.5-liter turbocharged engine, which is a three-cylinder engine. More details about the Trumpchi GS3 are as follows: 1. The 1.5-liter naturally aspirated engine has a maximum power of 84 kW, a maximum torque of 150 Nm, a maximum power speed of 6000 rpm, and a maximum torque speed of 4500 rpm. 2. This engine is equipped with DCVVT technology and uses an aluminum alloy cylinder head and a cast iron cylinder block. It is paired with either a 5-speed manual transmission or a 6-speed automatic transmission. 3. The 1.5-liter turbocharged engine has a maximum power of 120 kW, a maximum torque of 235 Nm, a maximum power speed of 5500 rpm, and a maximum torque speed ranging from 1500 to 4000 rpm.
9
1
Share

Is it normal for the Magotan exhaust pipe not to drip water?

It is normal for the Magotan exhaust pipe not to drip water. Whether the Magotan exhaust pipe drips water or not is largely related to the temperature. In summer, it rarely drips water, while in winter, the lower the temperature, the more it drips. More information about the exhaust pipe is as follows: 1. The dripping of the exhaust pipe can, to some extent, reflect that the car's engine is in good working condition and the gasoline is burning relatively fully. However, it is not the case that the more the exhaust pipe drips water, the better. Excessive water can damage the oxygen sensor in the car's three-way catalytic converter, which in turn affects the regulation of fuel injection and reduces the vehicle's power performance. 2. The water droplets discharged from the Magotan car's exhaust pipe are the result of water vapor generated after gasoline combustion condensing in the exhaust pipe and muffler. However, when the ambient temperature is high, the water vapor is discharged before it has a chance to condense.
13
4
Share

How to Drive the Roewe i5 Automatic Transmission?

Roewe i5 automatic transmission driving method: Press the brake pedal with your right foot. To move forward, pull the gear lever to the D (Drive) position; to reverse, pull it to the R (Reverse) position. Release the handbrake, slowly release the brake pedal (utilizing inertia for gradual movement), then move your right foot to the accelerator pedal and gently press to proceed. More information about the Roewe i5 is as follows: 1. The Roewe i5 is a high-performance internet-connected mid-size sedan under the Roewe brand, equipped with a 1.5L naturally aspirated engine and a 1.5T turbocharged engine, delivering maximum power outputs of 116 horsepower and 169 horsepower respectively, with peak torque reaching 142Nm and 250Nm. 2. It is paired with a 6-speed manual or 7-speed dual-clutch transmission, featuring high-spec configurations such as keyless entry, a 14-key multifunction steering wheel, and all-weather headlights.
18
4
Share

Should You Engage First Gear or Release the Handbrake First When Starting a Manual Transmission Car?

When starting a manual transmission car, you should engage first gear first, then release the handbrake. The correct starting procedure and the reason for engaging the gear before releasing the handbrake are as follows: Correct starting procedure: After getting in the car, fasten your seatbelt and adjust the seat. Quickly depress the clutch pedal to the floor and engage first gear. Turn on the left turn signal, check the surroundings (both side mirrors), and then release the handbrake. Quickly lift the clutch to the semi-engagement point, pause slightly, then slowly release the clutch while gently pressing the accelerator to allow the car to start smoothly. Reason for engaging gear before releasing the handbrake: The reason for engaging the gear before releasing the handbrake when starting is to prevent the car from rolling backward. If you release the handbrake first, the car will be in neutral for a period before engaging the gear, and you may not know if the ground is level when starting. If the ground is inclined, the car in neutral may roll backward, potentially causing an accident.
5
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.