Pucheng Sensors (Shanghai) Co., Ltd.
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  • Contact Person : Mr. Chou Antares
  • Company Name : Pucheng Sensors (Shanghai) Co., Ltd.
  • Tel : 86-21-52826232
  • Fax : 86-21-52819468
  • Address : Shanghai,Shanghai,No.808 Lanxi Road, Putuo District, Shanghai City. China
  • Country/Region : China
  • Zip : 200333

Idle Air Control for engine's idling RPM

Idle Air Control for engine's idling RPM
Product Detailed
1) Creator of Industry Standard 2) 22 years` experience 3) TS16949 4) Exported to all over the world 5) No harms

Idle Air Controls ( idle air control,IAC )

Features

1)     Designed and made to be outstanding performance and meet or  exceed original equipment specifications;2)     Exact OEM direct-fit application;3)     Hundreds of OEM parts number supported;

Description of IAC

         An idle air control actuator or idle air control valve (IAC actuator/valve) is a device commonly used in fuel-injected vehicles to control the engine's idling RPM. In carburetted vehicles a similar device known as an idle speed control actuator is used.

      The IAC actuator is basically an electrically controlled valve, which gets its input from the vehicle's ECU. The valve is fitted such that it bypasses the actual throttlevalve. The actuator consists of a solenoid that controls a plunger/valve which variably restricts air flow through the device's body. Electric current through the solenoid determines how much (or less) the plunger constricts air-flow which means that the amount by which the valve opens can be controlled by an electric current. Thus, the ECU can control the amount of air that bypasses the throttle when the throttle is fully closed, thereby controlling the engine's idle RPM.

      Without the IAC, the only way to control idling is by adjusting the throttle valve itself - this may be inefficient in terms of mileage and/or emissions. Electronically controlling the air enables allowing just the right amount of air needed to maintain the designated idle RPM irrespective of the ambient and/or engine conditions. This also allows the ECU to dynamically respond to changes in engine load where the driver does not press the accelerator whilst putting the vehicle in gear (i.e., anti-stall feature). Thus the driver can more easily move the car from stand-still by merely releasing the clutch (manual transmission) or the brake (automatic transmission) without having to simultaneously press the accelerator pedal.

Problems with IAC

    Although the IAC is supposed to last the vehicle's lifetime, various reasons may cause it to fail/malfunction prematurely. The most common failure mode is partial/complete jamming of the valve (due to dirt/dust or even oil) where it cannot be smoothly controlled. The result is an engine that idles very rough and frequently stalls. A valve that is only jammed may be restored simply by cleaning it. However a valve that has stopped working due to a fault in its solenoid will need replacement.

Choose us, without any hesitation 

1)     Research and Development Department: We have a professional  Research and Development Department, customized design is available, OEM&ODM are welcomed;

2)     Professional Factory: As one of the three Creators of Chinese National Oxygen Sensor Industry Standard 2, ( the other two creaters are BOSCH and DELPHI ), We, PUCHENG SENSORS(Shanghai)CO., LTD., founded in 1986, is one of the biggest Sensor manufacturers in China! We are specialized in manufacturing sensors, such as Oxygen/ CKP/ CMP/ ABS/ TPS/ MAP/ Speed Sensors, Idle Air Control and so on, and our products correspond to over 20,000 OE numbers.

3)     TS16949 QUALITY CERTIFICATE.

4)     A one-year warranty is provided.

5)     Sample: Sample is available, but the shipment charge usually paid by your side, the fee of it will be rebound when we have formal order;

6)     Rapid Response to your needs: Your request will be answered within 24 hours;

Any questions, please do not hesitate to contact us. We are always here looking forward to hearing from you.

Idle Air Control for engine's idling RPM



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