21-Mar-2018 ... Most modern engines use the idle air control (IAC) valve to stabilize the engine speed when the engine is at idle. If it goes bad, ...Step 4: Disconnect and remove the air ducts. The next step is disconnecting and removing the air ducts that connect to the throttle body by unscrewing the clamp. After that, keep the screws in a safe cup and shift the air duct to access the idle air control valve. Before you proceed, check if the air filter is dirty or clogged.Jan 4, 2017 · Idle Air Control Valve IAC For Mercruiser 3.0L, V6 & V8 (305, 350 & 496 CID) MPI Engines with ECM 555 # 18-7701, 862998 53 2 offers from $26.99 Quicksilver 862998 Idle Air Control Valve 11 11 offers from $174.12 Product Description New Idle Air Control (IAC) compatible with Mercruiser V6 and V8 engines. Product information Technical Details playarea Locate the idle control motor in your Ford vehicle and identify the two electrical pins on the solenoid. Connect an Ohm meter to the two and measure the resistance between them. [14] Fords are designed to operate with the resistance in the solenoid in a range between 7.0 to 13.0 ohms.30-May-2022 ... IAC motor or valve problems can show symptoms like: erratic idling,; engine stalling,; surging,; high idle, and; low idle.Pages for logged out editors learn more maytag washer and dryer sets 4g63 valves. Detailed Applications. Specifications: Built to strict quality control standards. Direct replacement. 100 factory tested. One year Warranty. Replaces dealer part numbers: MD614713 E9T15292. Brand NEW fitting for the following years and models: Mitsubishi. IACV IAC IDLE AIR CONTROL VALVE Assy For Mitsubishi 4G63 MD614713 E9T15292. corset cocktail dress Idle air control volume failed Last Post RSS. 0. 08/02/2023 3:27 pm. Topic starter So for a while my G37 2013 awd 7AT has been acting funny the past few weeks dipping in 3rd rpm only when accelerating, I took my car in for a thorttle body cleaning and relearn but my car completed the closed procedure. However the car failed the idle air relearn ...The idle air control (IAC) valve or actuator controls the idle speed of fuel injected vehicles. It takes control of engine rotational speed only when your foot is off the accelerator. It is …The idle air control valve is responsible for managing the engine idle speed. The valve is a major management component of the engine which will either decrease or …Sep 20, 2007 · in Automotive Replacement Fuel Injection Idle Air Control Valves 17 offers from $40.33 ACDelco GM Original Equipment 213-912 Throttle Position Sensor 997 21 offers from $32.99 Product Description GM Genuine Parts Fuel Injection Idle Air Control Valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. riddel speedThe Idle Air Control Valve (IAC) is typically used in fuel injected car engines to control the engines idling speed. RPM is also known as rotation speed. Vehicles …Step 4: Disconnect and remove the air ducts. The next step is disconnecting and removing the air ducts that connect to the throttle body by unscrewing the clamp. After that, keep the screws in a safe cup and shift the air duct to access the idle air control valve. Before you proceed, check if the air filter is dirty or clogged. wjrt news Sr20Det Idle Air Control Valve Gasket. Engine. 2000 Nissan Xterra XE 3.3L V6 AT 2WD. Genuine Nissan Accessory - 23785-50F00 (2378550F00)Buy Now: iac valve Sale, Discount 55%, Only 2 Days. floral chair, thor hammer fidget spinner, bone spur on inside of foot, plug2cam, easy paint pro, ...I inspected the hoses and they were all in good shape. Unplugging the IAC, the noise goes away. Squeezing the hose and the noise goes away. I replaced the IAC and all is fine now. I was reading that the ford IAC operates at 320 hz. The factory resonator is likely tuned to dampen any noise around that operating range.Idle Air Control (IAC) Valve Connector. Throttle Position Sensor (TPS) Intentionally blank: Intentionally blank: Related Parts. HONDA > 1999 > CIVIC > 1.6L L4 SOHC > Fuel & Air > Idle Air Control (IAC) Valve. Price: Alternate: No parts for vehicles in selected markets. Daily Driver . WALKER PRODUCTS .08-Dec-2018 ... Namaskar Dosto,Aj hum bat Krenge ki,Idle Air Control Valve Kaise Kam karta hai?Idle Air Control Valve Ka working Principle kya hai?24-Oct-2022 ... So, the idle air control valve (IAC), is responsible for managing the engine's idle speed. Decreasing or increasing, depending on ... rhoa season 14 24-Oct-2022 ... So, the idle air control valve (IAC), is responsible for managing the engine's idle speed. Decreasing or increasing, depending on ...Schneider Electric Global. SM61D1KHG6X5A4SAF - Cubicle, SM6-24, DM1A, SF1, IAC 20kA 1s A-FL, 15kV, CS.Car Parts: Idle air control valve, IAC Valve on white background Stock Photo · Throttle valve with metal cable of car gas pedal. · electronic valve-idling air ...Features/Benefits. Corvette Is A Registered Trademark Of The General Motors Corporation. Engineered to Meet or Exceed OEM Specifications. OEM Part Number: Associated Years: 1985-1988. Item Quantity Size: 1 EA. Weight: 0.1 pounds. Tariff Code: 8409915085. Keywords: Fuel Injection & Related Components, Idle Air Control Valve Housing Kit. distress faux locs 94-02 LS1 LT1 Camaro Corvette IAC Idle Air Valve Wiring Harness Connector GLACE POLIE MIROIR extérieur ALKAR 6402383 pour Fiesta Ford Droit Convexe 3 GFJ f3l. Clés Demi-Disques Pour Démonter et Radio car Fiat Lancia Alfa Citroen Peugeot. miroir retroviseur gauche opel astra H GTC 2009 a 2011 GLACE COTE CONDUCTEUR.An example of an Idle Air Control (IAC) valve: Potential Symptoms. Most likely you'll notice the idle speed is higher than normal. There are potentially other symptoms as well. Of … porcelain bowl Aug 13, 2021 · The idle air control (IAC) valve manages the idle speed of your engine by controlling the amount of air which flows into the engine. Needless to say, while the engine requires an optimal among of air and fuel to function efficiently, a faulty idle air control valve can throw the air supply off and adversely affect the engine’s performance. Usually a bad or failing idle control valve will produce a few symptoms that can alert the driver of a potential issue. 1. Irregular idle speed. One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. The idle air control valve is programmed to regulate and maintain the engine idle ...Replaced iac valve 2002 odyssey. Coolant bled and idle ... By tony55, 1 min ago. Answer to: 2008 Lexus IS Won't Lock Doors, Car Looks Off but Isn't? Alright, I searched Scotty's videos and did the electri... By shipbuilder, 14 mins ago. RE: Is my car going to be an ... short tight party dresses For Ford Windstar Lincoln LS Fuel Injection Idle Air Control Valve Delphi. US $95.32. SKU:JO4243322. 150-291 / 150291, ABV0006, CX-1766 / CX1766: Manufacturer Part Number: : CV10103 . Weight: : 0.52 lbs: Part Type: : Fuel Injection Idle Air Control Valve .An idle air control valve (also known as the IAC valve) is a device that is used in fuel-injected vehicles to control the engine’s idling rotational speed. The idle air control valve lets the engine idle smoother than stalling out when the vehicle is stopped. A car may be functioning and not stalling, yet the valve still needs cleaning. skims robe PRODUCT NAME: IAC Valve Beat Petro. PRODUCT BRAND: Chevrolet. PRODUCT TYPE: Spare Part. COMPATIBLE VEHICLE: Beat Petro. IN THE BOX: 1 x IAC Valve - Genuine.An idle air control valve literally bypasses air around a closed throttle plate so the engine can get air at idle. Because it bypasses air, it's also called an air bypass valve. Back in the days of carburetors, idle speed was adjusted by way of an idle speed screw. In fact, on many carburetors there were two idle speed adjustment screws; one ...IAC Stepper Motor Idle Speed Control Valve ISC For Yamaha 68V-1312A-00-0 0. Item Information. Condition: New New. Quantity: More than 10 available / 2 sold. Price: US $15.39. Buy It Now. IAC Stepper Motor Idle Speed Control Valve ISC For Yamaha 68V-1312A-00-00. Sign in to check out. Check out as guest. Add to cart.Jan 8, 2016 · The idle control valve, also commonly referred to as the idle air control valve, is an engine management component that is found in one form or another on the majority of road going vehicles. Its purpose is to control and regulate the engine idle speed, increasing and decreasing it as necessary to keep up with operating conditions. Feb 11, 2020 · The idle air control valve in the Toyota is an important component in controlling the Toyota's idle speed. The valve, commonly referred to as the IAC valve, allows the correct amount of air to bypass the throttle plate in order to maintain the proper idle speed. The valve will become dirty over... itstillruns.com 75aces Administrator マズダスピード3 xl dog door The Idle Air Control Valve (IACV), or stepper motor, allows the electronic control unit to regulate the airflow to the engine independently of the driver's throttle input.. When the …NewYall Idle Air Control IAC Valve IACV : Amazon.in: Car & Motorbike. weshipfloors The idle air control valve is responsible for controlling the RPM when idle. It essentially puts the engine in a relaxed state whenever the power is not needed. A vacuum leak may also cause low RPMs. When the idle air control valve goes bad, the engine will stall. It means it may abruptly stop working.The idle air control valve regulates the airflow in the engine combustion when the car is idling. When you stop your car and the engine is running smoothly, that's thanks to the IAC valve. Whilst the valve is designed to last your car's entire lifetime, sometimes damage and debris can cause issues. If you notice your car is not idling as it ...Clean the IAC valve mounting surface on the throttle body of old gasket material. Using a new gasket, position the IAC valve on the throttle body. Install and tighten the retaining screws to 71-106 inch lbs. (8-12 Nm). Attach the wiring harness connector to the IAC valve. Connect the negative battery cable. boxblade If the valve fails or has any issues it can cause the idle speed to be thrown off. This may result in an unusually high or low idle speed, or in some cases a surging idle …2227046050,TOYOTA 22270-46050 Idle Air Control Valve from kakapart.comAnswer (1 of 5): Hard starting. Unsteady idle. Uncharacteristically high or low idle speed. At idle the engine would bog down with added loads, like when you put the car in “DRIVE” or the AC compressor kicks on or your running a heavy electrical load. The IAC is the primary means of maintaini... bridal jewellery set 08-Dec-2018 ... Namaskar Dosto,Aj hum bat Krenge ki,Idle Air Control Valve Kaise Kam karta hai?Idle Air Control Valve Ka working Principle kya hai?The iac valves should last as long as your car, but sometimes need to be replaced. The most obvious way to tell if you have a faulty IAC valve is if your engine light comes on. If …Having understood the way the IAC valve works, it would be much easier for us to get to know the natures of some symptoms that call for an idle air control valve, which are: 1. Fluctuating speed. The air control valve manages the idle speed of a car engine. A damaged air valve will wallop the power resulting in fluctuation of the idle speed.www.alibaba.com java burn coffee The idle air control valve is controlled by the Engine Control Module (ECM). The ECM is the monitoring module (or computer of the car) that keeps a check on the engine idle speed. The ECM uses the IAC valve to control the amount of air that is allowed to bypass the throttle intake plate, so as to keep the engine idle speed constant. Intro SYMPTOMS OF A BAD IDLE AIR CONTROL VALVE EasyAutoFix 59.6K subscribers Subscribe 272K views 1 year ago In this video, you will learn 4 symptoms of a bad idle air control valve. Watching... oil filter tool Step 3: The IAC valve has to be taken off of the car. To get to the IAC valve, follow the directions in the car’s repair manual. Step 4: Verify the IAC control valve. …OPERATION. The Idle Air Control (IAC) valve controls the engine idle speed and dashpot functions. The valve is located on the side of the throttle body ... wavemaster xxl With the vehicle cooled down in an out-of-the-way spot, pop the hood and locate the idle air control valve. Remove any parts that are in the way of accessing the idle air control valve....An example of an Idle Air Control (IAC) valve: Potential Symptoms. Most likely you'll notice the idle speed is higher than normal. There are potentially other symptoms as well. Of …The IAC actuator is an electrically controlled device, which gets its input from the vehicle's engine control unit (ECU). The actuator is fitted such that it either bypasses the throttle or operates the throttle butterfly valve directly. The actuator consists of a linear servo actuator servomotor that controls a plunger which varies air flow ...An aftermarket IAC valve from AutoZone can properly distribute the amount of air flowing into your engine, ensuring a well-operating and efficient ride. Shop for an idle air control … camera head Most importantly, the idle air control valve (IAC), is a major management component of the engine. Therefore, decreasing or increasing the (RPM) of the engine, depending on what the current operating conditions call for. The idle air control valve (IAC) is usually, connected to the throttle body, next to the intake manifold.Part Number: AC287. People that look up auto parts for a living get paid to do it because it is not as easy as people might think. Auto Parts USA has over 40 years of auto parts experience.IAC - Multi Ethernet valves. High-response directional valves, direct or pilot operated, with integrated digital axis controller (IAC Multi Ethernet) Technical details. IAC …How to clean a throttle body and Idle air control valve (iac). This shows you how to fix a high idle, low idle, and or rough idle. Most modern cars have an i... micropipette 21-Nov-2022 ... Located on the throttle body of fuel-injected engines, the idle air control (IAC) valve regulates airflow to the engine by electrically ... churu The idle air control valve is responsible for controlling the RPM when idle. It essentially puts the engine in a relaxed state whenever the power is not needed. A vacuum leak may also cause low RPMs. When the idle air control valve goes bad, the engine will stall. It means it may abruptly stop working.When the idle air control valve becomes clogged, the result is a car idling too fast, running in a jumpy manner while idling, backfiring, or idling so low that it causes the vehicle to stall or to ... cars 2 the video game How to replace an Idle Air Control (IAC) valve? How to Replace the Idle Air Control Valve. Park the vehicle on level ground and allow it to cool for 20 minutes. ... Open the hood of the vehicle and locate the idle air control valve. The valve is located toward the back of the intake manifold. Unplug the wiring harness from the IAC valve. ...PRODUCT NAME: IAC Valve Beat Petro. PRODUCT BRAND: Chevrolet. PRODUCT TYPE: Spare Part. COMPATIBLE VEHICLE: Beat Petro. IN THE BOX: 1 x IAC Valve - Genuine.My 94 Acura Integra (should be the same on most Hondas of the time) has a Fast Idle Thermo Valve (FITV) and an Idle Air Control Valve (IACV). The FITV has coolant flowing through it and opens/closes an air valve based on coolant temperature. It is completely mechanical. As the name implies, the FITV sets the high idle when the engine is cold ... ford 8n tractor parts04-Aug-2014 ... Using The IAC Signal Tester With An Idle Air Control/Idle Speed Control Tester (3320). 1. Disconnect the vehicle wiring harness from the IAC ...May 11, 2022 · Cleaning the idle air control valve (IACV) on your vehicle periodically helps keep carbon and other particles from building up on the valve, which can negatively affect the operation of the... microfiber couches GE 121AC57B4A Tipe IAC Time Overcurrent Relay in stock, at a great price, with a 30-day warranty and fast USA shipping.IAC motor or valve problems can show symptoms like: erratic idling, engine stalling, surging, high idle, and low idle. Although practically any problem that affects engine operation may affect idle speed, the two most common causes of idle speed problems are: throttle position sensor (TPS) issues, and STORY: It what could mark a major turning point in the war, Ukrainian forces have broken through a portion of the Russian frontline near Kharkiv - something even Moscow, which had been silent for hours after the surprise move, publicly admitted on Friday.Appearing on Russian state TV, Vitaly Ganchev, head of the Moscow-installed administration in the region, acknowledged Ukraine's success ... hope and healing FORD > 1995 > F-150 > 4.9L L6 > Fuel & Air > Idle Air Control (IAC) Valve. Price: Alternate: No parts for vehicles in selected markets. Daily Driver . How to clean a throttle body and Idle air control valve (iac). This shows you how to fix a high idle, low idle, and or rough idle. Most modern cars have an i...*Did our video help you? If so, consider buying us a beer: https://bit.ly/3feE6tJ***PLEASE READ THIS VIDEO DESCRIPTION FOR HELPFUL INFORMATION**In this vide...If the valve fails or has any issues it can cause the idle speed to be thrown off. This may result in an unusually high or low idle speed, or in some cases a surging idle … bass mens shoes Benefits of IAC Valve Replacement By getting this problem fixed and the valve replaced, you can enjoy a car that doesn’t stall anymore. It will be a far more reliable , once this valve has been repaired. You’ll also be protecting your engine against undue wear and tear, saving you money over the long run.Function: The idle control valve works with the vehicle's ECU to electrically regulate airflow to the engine to ensure smooth idling. If it fails, it may leave ...14-Dec-2020 ... The idle air control valve is responsible for controlling the RPM when idle. It essentially puts the engine in a relaxed state whenever the ... holster for phone Aug 13, 2021 · The idle air control (IAC) valve manages the idle speed of your engine by controlling the amount of air which flows into the engine. Needless to say, while the engine requires an optimal among of air and fuel to function efficiently, a faulty idle air control valve can throw the air supply off and adversely affect the engine’s performance. What I've tried: Cleaned the throttle body Smoke checked the engine and determined there are no vacuum leaks Replaced the IAC valve with a brand new one, and verified that it is working Cleaned the ECM/PCM's electrical terminals and lightly applied dielectric grease to connections Idle relearn procedure after each". 3.Sr20Det Idle Air Control Valve Gasket. Engine. 2000 Nissan Xterra XE 3.3L V6 AT 2WD. Genuine Nissan Accessory - 23785-50F00 (2378550F00)16. Oct 27, 2008. #1. I have had some issues with the IAC sensor on my 6.2L MPI, 0M036015, MEFI 3 ECM. After warm up at idle, the IAC counts should be between 0-40 counts. My scan tool indicates anywhere from 80 to 100. I have installed a new IAC sensor, the operating temp is within specification. I have removed the throttle body and inspected ... slide hammers 108 views, 0 likes, 0 loves, 0 comments, 0 shares, Facebook Watch Videos from Mr talented Reid: How to change idle air control valve on a 1999 nissan sentra DIYIac valve value at running? Suzuki. nadeem54761 (Nad) 2023-01-20 20:02:47 +0500 #1. just want to know that when the car is NOT idling and it is running …The idle air control valve — also known as the "idle speed control valve" — regulates the idle speed of your engine. This is controlled by the engine's computer. Sometimes parts go bad, which results in your car idling strangely or stalling. Check to see if your idle control valve is functioning properly before attempting to replace it. Method 1 6 foot ladders 09-Jun-2018 ... The idle air control valve is part of a series of components in your engine that control how a car's engine idles in terms of rising and ...92061898 IAC Idle Air Control Valve for Nubira 2.0L Leganza 2.2L 1999-2002 /Y9N5. £7.56 + £3.00 Postage. 92061898 IAC Idle Air Control Valve for Nubira 2.0L Leganza 2.2L 1999-2002 F6R5. £7.78 + £1.99 Postage. Check if this part fits your vehicle. Contact the seller. Picture Information.4 Posts. Discussion Starter · #1 · Jul 7, 2010. My 2000 Rav4 has about 99K miles on the clock and I started having the rough idle upon startup issue. It finally got so bad that it wouldn't idle at all. I found the post on the forum about cleaning the IAC with carb cleaner by spraying it down the IAC hole within the throttle body.If IAC valve is always closed or by-pass air is too low, the ECM controls the IAC valve duty to increase to maintain the idling/trolling speed specified. Page 101: Fail-Safe System 3-42 ENGINE CONTROL SYSTEM FAIL-SAFE SYSTEM The fail-safe system is closely related to the self-diagnostic system. When an abnormality occurs in a ... sequin dress women The IAC valve in a car is a component that is attached to the car's throttle, assisting in regulating the car's airflow so that there is smooth idling.. During idling, when the throttle plate in a car closes, the idle or transmission air control valve will bypass the plate to inject air in order to ensure that the vehicle runs smoothly at stops.boodmo ☝ Buy Idle Control Valve Air supply car parts at the lowest prices.✓Our catalogue contains OEM replacement parts for all TOP brands ⚡Updated price ... keto ice cream bars 4g63 valves. Detailed Applications. Specifications: Built to strict quality control standards. Direct replacement. 100 factory tested. One year Warranty. Replaces dealer part numbers: MD614713 E9T15292. Brand NEW fitting for the following years and models: Mitsubishi. IACV IAC IDLE AIR CONTROL VALVE Assy For Mitsubishi 4G63 MD614713 E9T15292.The IAC valve in a car is a component that is attached to the car's throttle, assisting in regulating the car's airflow so that there is smooth idling.. During idling, when the throttle plate in a car closes, the idle or transmission air control valve will bypass the plate to inject air in order to ensure that the vehicle runs smoothly at stops.Your Honda CR-V idle air control (IAC) valve ensures the right air-to-fuel mix to keep your engine idling smoothly. When dirt, carbon or other debris clog the IAC valve, airflow is restricted and valve response time slows. When this happens, engine RPMs decrease drastically when you lift your foot off the accelerator and excess fuel in the ...Buy Now: iac valve Sale, Discount 55%, Only 2 Days. floral chair, thor hammer fidget spinner, bone spur on inside of foot, plug2cam, easy paint pro, ... gifts for football players BRAND NEW IDLE AIR CONTROL VALVE IAC **FOR ALL 3.0L V6 MOTOR. C $116.04. SKU:PR4099831. Condition:: New: A brand-new, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store. unused, unless the item was packaged by the manufacturer in non-retail packaging, such as ...IAC IDLE AIR Control Valve for 1997-2001 Honda CR-V 2.0L I4 1998 1999 2000 - $46.46. FOR SALE! Store CategoriesStore Categories eBay Motors Interior Trimming Switches Controls Sensors Fuel 394229121732The IAC valve in a car is a component that is attached to the car's throttle, assisting in regulating the car's airflow so that there is smooth idling.. During idling, when the throttle plate in a car closes, the idle or transmission air control valve will bypass the plate to inject air in order to ensure that the vehicle runs smoothly at stops. s hook Does not sound good, check the resistance of your old iac valve should be between 4 and 8 ohms, if it is zero you have probably fried the internal iac driver in your computer. Check the resistance of the new one as well. Disconnect the iac plug and start the motor, you might need to use the warm up leaver, you will soon know if that is your ...Idle Air Control (IAC) Valve Connector. Throttle Position Sensor (TPS) Intentionally blank: Intentionally blank: Related Parts. HONDA > 1999 > CIVIC > 1.6L L4 SOHC > Fuel & Air > Idle Air Control (IAC) Valve. Price: Alternate: No parts for vehicles in selected markets. Daily Driver . WALKER PRODUCTS .Usually a bad or failing idle control valve will produce a few symptoms that can alert the driver of a potential issue. 1. Irregular idle speed. One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. The idle air control valve is programmed to regulate and maintain the engine idle ...idle air control valve. valve throttle. Part #: Select Vehicle. Search Parts. Search Parts. Search Parts Search within: Carburetor and Related Parts. Search ... stained glass light fixtures The idle air control valve is an important engine component found in most cars. Its role is to increase and decrease engine idle speed so that your car can ...21-Nov-2022 ... Located on the throttle body of fuel-injected engines, the idle air control (IAC) valve regulates airflow to the engine by electrically ... capicola meat The idle air control (IAC) valve or actuator controls the idle speed of fuel injected vehicles. It takes control of engine rotational speed only when your foot is off the accelerator. It is controlled by the computer and idle speed is determined by engine temperature. If you notice your vehicle idling roughly or stalling, it could point to a ...IAC Valve Replacement Cost. দ্য নিষ্ক্রিয় এয়ার কন্ট্রোল ভালভ (বা আইএসি) ইঞ্জিনে থাকা চাপের পরিমাণ নিয়ন্ত্রণ করতে সহায়তা করে, এটি অতিরিক্ত কাজ করা হয় না। এই ভালভটি ...What is an IAC? An idle air control (IAC) valve regulates the amount of air flowing to the engine, when the engine is idling. Having the right idling speed of an engine is vital to the economy and safety of the parts of the engine. While starting the car, a cold engine will require more air to idle smoothly. lanacane cream Disconnect the IAC valve. If the engine idles roughly, or not at all, disconnect the IAC valve’s electrical connector. If the idle quality improves, there is likely a …10-Jul-2020 ... A car's idle air control valve controls idle speed by managing the amount of air bypassing the throttle plate. 4 Common Idle Air Control Valve ...How to Test an Idle Air Control Valve. Vacuum leaks and circuit problems can mimic a bad IAC valve. That’s why it’s a good idea to test a suspect IAC before you rush out and buy a new one. Without a doubt, using an OEM-level scan tool is the easiest way to test an IAC valve.Aug 13, 2021 · The idle air control (IAC) valve manages the idle speed of your engine by controlling the amount of air which flows into the engine. Needless to say, while the engine requires an optimal among of air and fuel to function efficiently, a faulty idle air control valve can throw the air supply off and adversely affect the engine’s performance. upholstered ottoman