What is an idle speed control valve?
In fuel-injected engines, the idle control valve, together with the engine control unit, regulates the amount of air that bypasses the throttle plate. This key feature ensures smooth idling.
How much does it cost to replace an idle speed control valve?
Aftermarket idle control valves cost approximately $10 to $150. Many factors influence the price of an idle control valve, such as its materials, configuration, and setup content. Depending on your area, you may need to pay an additional $50 to $100 for labor.
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Introduction to Idle Air Control Valve
Idle Air Control Valve of Zhenhua Auto Parts Company is a key component in automobile fuel system. It is mainly responsible for accurately controlling the amount of air entering the engine when the engine is idling, so as to maintain a stable idle speed. When the engine is idling, such as stopping for a red light and warming up the vehicle, the valve can automatically adjust the air intake of the bypass air passage according to the real-time working conditions of the engine, so as to ensure the engine idling smoothly, avoid some undesirable phenomena such as jitter and flameout, and provide a stable foundation for the normal operation of the vehicle.
Features of Idle Air Control Valve
High-precision adjustment capability
Advanced electromagnetic drive or stepping motor drive technology can realize fine adjustment of air flow, so as to ensure accurate control of engine idle speed and effectively improve idle speed stability.
Fast response characteristics
The internal structure design is optimized, which can respond to the instructions of the engine control unit (ECU) in a very short time and quickly adjust the air flow. For example, when the air-conditioning compressor of a vehicle suddenly starts or other electrical equipment is turned on, which causes the engine load to change, the valve can adjust the air intake in milliseconds, so that the engine speed can be quickly stabilized within the set idle range.
Durable material and reliable seal
The shell is made of engineering plastic or metal with high temperature resistance and corrosion resistance (depending on the model), and the key components inside are specially treated to have good wear resistance and fatigue resistance. At the same time, the seal is made of high-quality rubber material to ensure good sealing between the valve and the valve seat during long-term use and prevent air leakage from affecting the idle speed control accuracy.
Application
The idle air control valve is widely used in all kinds of gasoline engines and some diesel engine models.
Whether it is a small family car, such as Toyota Corolla, Volkswagen Golf, etc., it is used to ensure the stability of idle speed in daily urban driving;
It is also a medium-sized commercial vehicle, such as Ford Transit, Iveco Proud, etc., to maintain the normal operation of the engine in the scene of frequent start-stop logistics distribution or passenger transport;
Or high-performance sports cars, such as Porsche 911 and Ferrari 488, etc., to ensure the engine’s idle speed to recover smoothly after high-performance operation. This idle air control valve can play a key role.
Target clients
Automobile manufacturers: provide high-quality Idle Air Control Valve for automobile manufacturers, ensure the excellent performance of engine idle system when new cars leave the factory, and improve the quality of the whole vehicle and market competitiveness.
Car repair shop: provide reliable replacement parts for maintenance enterprises, help them quickly solve the problems such as unstable idle speed of vehicles, improve maintenance efficiency and reduce the maintenance time and cost of customers’ vehicles.
Auto parts dealers: meet their purchasing needs for high-quality idle air control valves, enrich product categories, and provide one-stop auto parts solutions for downstream customers.
Maintenance
Regular cleaning: At certain mileage intervals (10,000-20,000 km is recommended), use special throttle cleaner to gently spray and wash the valve surface and surrounding air passages to remove carbon deposits, oil stains and other impurities to prevent them from affecting the normal opening and closing of the valve.
Check the electrical connection: regularly check whether the connecting plug is loose and oxidized to ensure the stable transmission of electrical signals. If the plug is found to have signs of corrosion, it should be cleaned or replaced in time to ensure the normal communication between the valve and ECU.
Performace test: every time you drive for a certain period of time (such as half a year or a year), use a professional automobile diagnostic instrument to test the performance of the idle air control valve to see if its air flow adjustment under different working conditions meets the standards. If it is abnormal, timely investigate the cause of the failure and repair or replace it.