2005 ford f150 idle air control valve location

2004 ford f-150 5.4liter v8 idle air control valve located? - Answered by a verified Ford Mechanic. ... 2004 ford f-150 5.4liter v8 idle air control valve located? Submitted: 14 years ago. Category: Ford. Ask Your Own Ford Question. Share this conversation. Answered in 30 minutes by:

The idle air control (IAC) valve assembly controls engine idle speed and provides a dashpot function. The IAC valve assembly meters intake air around the throttle plate through a bypass within the IAC valve assembly and throttle body. The PCM determines the desired idle speed or bypass air and signals the IAC valve assembly through a specified ...An idle air control valve, also called an IAC valve, is found in every vehicle and is located inside of the throttle body. When a car idles at a red light or while parked, the idle air control valve regulates the amount of air that circulates in the engine, which keeps the engine at a steady RPM and prevents rough idling. When an air control ...#fordservice How to: dismantle and clean the IACV (step-by-step motor) at the Ford Mondeo Mk3 (Focus, Fiesta) How to: Clean & replace Idle Air Control Valve...Remove the Idle Air Control (IAC) valve electrical connector. Disconnect the throttle bypass hose. Remove the mounting bolts and the IAC valve. Installation is the reverse order of removal. Tighten mounting bolts in two steps: Step 1: to 89 inch lbs. (10 Nm) Step 2: an additional 90°. 2 answers.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Designed to be cost-effective replacement parts for the vehicle, Mileage Plus value-priced products meet original equipment quality and performance. Each Idle Air Control Valve is a direct-fit OE replacement that ensures ease of installation. High-quality materials withstand extreme conditions. Undergoes extensive testing to ensure reliability.

2. unusually high idle. 3. Check Engine Light is on. 4. stalls while idling and stalls when coming to a stop. 5. While in reverse, truck goes really fast without pressing the gas pedal. 5. Truck chugs then dies in reverse. After running a diagnostic, I was told the waste gate valve is causing these problems.1987 - 1996 F150 & Larger F-Series Trucks - Heater control valve location - 89 f250 5.8 heavy duty 4x4 Where is the heater control valve i think it is stuck open because when tune the temp to cool it still blows hot air not cool air from outside. seems as if the heater is always on. I know my A/C dose not work but...2004 - 2008 F150 - 2006 IAC Valve Location - Can anyone tell me where to find the IAC Valve on my F-150. I am getting an engine light indicator and want to either clean it or replace it. Thanks.:-huhRam 1500. 2005. The 2005 Dodge Ram idle air control valve is located on the intake. The idle air control valve controls the air needed to maintain a steady idle speed. It essentially acts as a bypass of the throttle body plate.Two common issues can arise in an idle air control valve, clogging and failing, and each requires Your adept wrenching ...Equip cars, trucks & SUVs with 2001 Ford F150 Idle Air Control Valve Gasket from AutoZone. Get Yours Today! We have the best products at the right price. ... Ford F250 Super Duty Idle Air Control Valve Gasket; Ford Taurus Idle Air Control Valve Gasket; Show Less. Advice and How-To's. How to Prevent Condensation in Your Car;Jun 7, 2009 · Electrical Systems/Wiring. 6. 01-13-2005 09:09 PM. Tags. 2001, 2003, 46, 54, 54l, air, control, expedition, f150, ford, iac, idle, location, mustang, valve. 2004 - 2008 F150 - location of idle air control valve - can anyone help me out on the location of the idle air control valve by telling me where its at or a picture location, thanks for the ...The idle air control valve on your Ford F-Series controls the speed of the engine when it is at idle. The idle air control valve is used on fuel-injected models to control the idle speed, which is adjusted according to the engine temperature. Over time, the idle air valve can stop working, and may not open when the throttle is not activated.The IACV allows the engine to idle at a lower RPM when the vehicle is stopped and then increases the RPM when the car is in motion. It contributes to better fuel efficiency and emissions reduction. When you unplug the IACV, the engine will no longer be able to regulate its idle speed. The engine may stall or run rough as a result at low speeds.

Disconnect the electronic throttle control electrical connector. Remove the TB bolts and the TB and discard the gasket. To install, tighten to 9 Nm (80 lb-in). Tighten an additional 90 degrees (1/4 turn). Install a new TB gasket. To install, reverse the removal procedure. Ray M., Ford Master Tech. Category: Ford.The idle air control valve on the 2006 Ford F-150 is located in the throttle body on the driver side. The throttle body itself is inside of the passenger side portion of the manifold. If the valve on Your car is going bad then You will notice that You have a rough idle. The car will likely shake and rattle when You are still. In some cases, it may stall out altogether when still. This is ...Mahle Original Idle Air Control Valve Gasket G32681. Part # G32681. SKU # 925434. 1-Year Warranty. Check if this fits your 2008 Ford F150. Notes: Air bypass valve gasket. Molded rubber. PRICE: 4.99. Material: Molded Rubber.The idle air control valve on your Ford F-Series controls the speed of the engine when it is at idle. The idle air control valve is used on fuel-injected models to control the idle speed, which is adjusted according to the engine temperature. Over time, the idle air valve can stop working, and may not open when the throttle is not activated.FORD > 2007 > F-150 > 4.2L V6 > Fuel & Air > Idle Air ... + Sold in packs of 1 x 1: $33.99: Alternate: Quantity: Add to Cart. BWD/NIEHOFF 50520 . Fits Idle Air Control Motor; AUX AIR VALVE; PRIMARY or Idle Air Control Motor; AUX AIR REGULATOR [Wholesaler Closeout-- 30 Day ... ^ Could ship from same location as parts in cart. STANDARD MOTOR ...

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RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog.Remove the Idle Air Control (IAC) valve electrical connector. Disconnect the throttle bypass hose. Remove the mounting bolts and the IAC valve. Installation is the reverse order of removal. Tighten mounting bolts in two steps: Step 1: to 89 inch lbs. (10 Nm) Step 2: an additional 90°. 2 answers.Mar 21, 2019 · P0505 is an OBDII code that deals with the idle air control system in the Ford Freestyle. It’s a generic code, which means that it has the same meaning for the Freestyle as it would any other vehicle (Freestyle or not). When P0505 is triggered, it is typically caused by a stuck idle air control valve, a clogged idle air control valve, or a ...The most common thing you'll notice from a bad vapor canister purge valve is that you'll get a check engine light that you weren't expecting. While the symptoms can change depending on whether or not the valve is stuck open or closed, one thing that shouldn't change is that you should get a check engine light. 2.Reply. 1 / 1. 2004 - 2008 F150 - 2005 F150, 5.4 throttle actuator control system forced idle? - About once every six months, my truck would kick into failsafe engine mode, and stall out. I would coast over to the curb, start it up, and continue to drive it, without any other problems. Today the truck went into failsafe engine mode,...Idle Air Control (IAC) Valve Connector. Throttle Position Sensor (TPS) Intentionally blank: Intentionally blank: Related Parts. FORD > 1991 > F-150 > 5.8L V8 > Fuel & Air > Idle Air Control (IAC) Valve. Price: Alternate: ... ^ Could ship from same location as parts in cart STANDARD MOTOR PRODUCTS AC54. $31.79: $0.00 + Sold in ...

The idle air control valve on your Ford F-Series controls the speed of the engine when it is at idle. The idle air control valve is used on fuel-injected models to control the idle speed, which is adjusted according to the engine temperature. Over time, the idle air valve can stop working, and may not open when the throttle is not activated.Method 1. Identifying Issues with an Idle Control Valve. Download Article. 1. Look for a high engine idle. A common symptom of a faulty idle control valve can be a …Idle Air Control (IAC) Valve Connector. Idle Speed Control Motor Connector. Throttle Position Sensor (TPS) ... Related Parts. FORD > 1994 > F-150 > 4.9L L6 > Fuel & Air > Idle Air Control (IAC) Valve. Price: Alternate: No parts for vehicles in selected markets. STANDARD MOTOR PRODUCTS AC33 Info . Auxiliary Air Valve. STANDARD MOTOR PRODUCTS ...Located in: Gardner, Kansas, United States. Delivery: ... 2005: Lincoln: Navigator: Base Sport Utility 4-Door: 5.4L 330Cu. In. V8 GAS SOHC Naturally Aspirated ... Lariat V8 5.4L, 1997-03 Ford F150 Truck Idle Air Control Valve Read more Read more compatibility notes Read less Read less compatibility notes: 2003: Ford: F-150:2004 - 2008 Ford F150 - Where is the IAC valve on a 2005 4.6L - I want to clean my IAC but I cant find it.. Post pics with info if anyone can help out thank you.Pliers (if needed) Replacement idle control valve. Socket set and ratchet. Step 1: Disconnect the battery. Disconnect the negative battery cable from the battery and set it aside. Step 2: Locate the valve. The location of the idle control valve will depend on the make and model of your vehicle.Oct 12, 2017 ... Comments34 · 2005 Ford F150 4.6 liter V8 throttle body repair for rough · 2006 Ford Expedition, F150, 250...throttle body and M.A.F location ...Ford F150 Forum - Community of Ford Truck Fans. Late Model F150s. 2009 - 2014 Ford F150. Idle Control Valve Location. Topic Sponsor. 2009 - 2014 Ford F150 General discussion on 2009 - 2014 Ford F150 truck. Sponsored by:

Obtain this part as soon as possible! Ford F150 Idle Control Valve. Brand: Standard Motor Products. Fits Years: 1990, 90. Idle Air Control Valve -- With Calif. Emissions - AC33. Buy 1990-1996 Ford F150 Idle Control Valve Standard Motor Products for a low price of $35.97 at PartsGeek. FLAT RATE SHIPPING on most Standard Motor Products AC33 orders.

Expose the throttle body by removing the air duct. Look at the throttle body and locate the idle air control valve. It is a small opening in front of the throttle plate. Spray the throttle body cleaner inside the IAC valve and clean it with a soft wire brush. Reconnect the air duct and filter box.Thank you. 1987 - 1996 F150 & Larger F-Series Trucks - Idle air control valve or MAP? 4.9l - Hey, guys I'm new to the site and a new owner of a 1989 F-150 4.9l 6 cylinder EFI 5-speed Manual transmission. I did a Berrymans B-12 treatment a few days ago including the fuel tank and throttle body.Idle Air Control (IAC) Valve Connector. Idle Speed Control Motor Connector. Throttle Position Sensor (TPS) ... Related Parts. FORD > 2000 > F-150 > 4.6L V8 > Fuel & Air > Idle Air Control (IAC) Valve. Price: Alternate: No parts for vehicles in selected markets. Economy . ULTRA-POWER . ULTRA-POWER . $25.79: $0.00 + Sold in packs of 1 x 1: $25.79 ...Take 3 or 4 sharpened pencils cut to about 2"-3" and put sharpened ends into the bolt holes to keep the gasket aligned. Need help with no start. Ford Inline Six, 200, 250, 4.9L / 300 - Chronic high idle problem - finally fixed it - My 1991 4.9L has had a high idle ever since I bought it from my brother-in-law.Jul 11, 2022 ... DIY Throttle Position Sensor Repair - 1987-1997 OBS Ford 5.0L TPS ... Ford Idle Air Control Valve Diagnostics: High Idle DTC P1506 ... F150 Idle Air ...Simple DIY how to: Remove, clean, and replace the IACV on a Ford Duratec HE or Mazda LF engine.Video on the throttle body: https://youtu.be/41K_v2YYnpYVideo ...To install: When installing the valve, always discard the old gasket and install it using a new one. 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).

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I have a 92 F150 w/ a EFI 302. I searched this site regarding engine surging and (although nobody seemed to finish their posts to give the actual repair) it looks like the majority of the people here say to clean/check/replace the Idle Air Control Solenoid. Thank you for your responses and after I find it and clean it, I will let you know how ...where is the location of the Idle air control valve on a 2004 F-150 5.4L triton. Experience: 18+yrs experience. State Inspector & Ford Diagnostics/Repair.Jul 3, 2014 · Disconnect the engine control sensor wiring (12A581) from the idle air control valve (IAC valve) (9F715) at the idle air control valve electrical connector. Remove the two idle air control valve retaining bolts. Remove the idle air control valve and idle air control valve gasket. NOTE: If scraping is necessary, be careful not to damage idle air ...Equip cars, trucks & SUVs with 2000 Ford F150 Idle Air Control Valve from AutoZone. Get Yours Today! We have the best products at the right price. skip to main content. 20% off orders over $100* + Free Ground Shipping** Eligible Ship-To-Home Items Only. Use Code: AZMAY. Menu. 20% off orders over $100* + Free Ground Shipping** ...If you’re in the market for a Ford F150, you’re in luck. This popular truck is known for its durability, versatility, and impressive performance. Whether you need a powerful workho...Are you looking for a free repair manual for your Ford F150? Look no further. We have compiled a comprehensive list of the best free repair manuals available online. The first step...Dec 24, 2023 · 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.How long do engine valves last? Visit HowStuffWorks to learn how long engine valves last. Advertisement Spend enough time talking to car guys and car girls and eventually you'll pr...The P0507 code stands for "'Idle Control System RPM Higher than Expected.". It usually means that the engine idle speed at a period is higher than its pre-programmed specifications. A higher-than-normal engine idle speed can be due to engine vacuum leaks, a faulty or clogged idle air control valve, circuit issues, and sensor problems.The idle air control valve regulates idle speed in older vehicles by controlling the air bypassing the throttle plate. The symptoms of a bad idle air control valve are an illuminated check engine light, stalling, wrong idle speed, and the rare instance of the engine failing to start. You can test the idle air control valve with an OEM-level ...How to raise the idle 100 rpm on ford f150 5.4. have your idle air control motor cleaned. there are no idle adjustments on this engine. typically the idle air control valve becomes gummed up with carbon. while cleaning the valve you may also want to clean the mass air flow sensor. you will need special cleaners for both which can be purchased ... ….

Buy a 2006 Ford F150 Idle Control Valve at discount prices. Choose top quality brands API, Autopart Premium, Motorcraft, Replacement, Standard Motor Products, Walker, Wells. ... Detailed Notes: Idle Air Control Valve for Ford F-150 E-150 E-150 Club Wagon E-250 Econoline. Condition: New. Quantity: 1. Terminal Quantity: 2. Gasket Included: Yes ...The code P0505 - Idle Control System Malfunction means that the engine computer cannot regulate the idle speed. In other words, the actual idle speed varies from the target idle speed. The normal idle speed in most cars is between 650 and 750 rpm. The symptoms present with the code P0505 may include difficulty starting, hesitation, stalling ...2. unusually high idle. 3. Check Engine Light is on. 4. stalls while idling and stalls when coming to a stop. 5. While in reverse, truck goes really fast without pressing the gas pedal. 5. Truck chugs then dies in reverse. After running a diagnostic, I was told the waste gate valve is causing these problems.Step 3 - Remove the TPS sensor. Figure 5. TPS. Figure 6. TPS. Make sure to remove the TPS sensor and 2 screws that connect to bottom of throttle body. Once the old sensor is off, replace it with the new one. Clean the throttle body really well, then install it back by reversing the steps above.Delphi Idle Air Control Valve CV10119. Part # CV10119. SKU # 445164. Limited-Lifetime Warranty. Check if this fits your Ford Taurus. Select store. for pickup availability. Standard Delivery by May 13. Add TO CART.Idle Air Control (IAC) Valve Connector. Throttle Position Sensor (TPS) Intentionally blank: Intentionally blank: Related Parts. FORD > 1996 > F-150 > 5.0L V8 > Fuel & Air > Idle Air Control (IAC) Valve. Price: Alternate: No parts for vehicles in selected markets. ... ^ Could ship from same location as parts in cart. STANDARD MOTOR PRODUCTS AC59 ...Oct 21, 2022 · Where is the idle air control valve located on a 2005 F150 5.4? Updated: 10/21/2022. Wiki User. ∙ 11y ago. Best Answer. There isn't one. Only on a 2004. Wiki User.Alternate Year Models. 2007 Ford F150 Idle Air Control Valve. Equip cars, trucks & SUVs with 2008 Ford F150 Idle Air Control Valve from AutoZone. Get Yours Today! We have the best products at the right price.This will sound harder than doing it actually is. 1 Disconnect negative battery cable. 2 remove air cleaner tube and throttle cover,if necessary. 3 disconnect wiring harness from IAC valve. 4 remove the 2 retaining bolts. 5 remove the IAC valve and discard old gasket. To Install.2004 - 2008 F150 - 2006 IAC Valve Location - Can anyone tell me where to find the IAC Valve on my F-150. I am getting an engine light indicator and want to either clean it or replace it. Thanks.:-huh 2005 ford f150 idle air control valve location, May 25, 2020 · Ford F150 Forum - Community of Ford Truck Fans. Late Model F150s. 2009 - 2014 Ford F150. Idle Control Valve Location. Topic Sponsor. 2009 - 2014 Ford F150 General discussion on 2009 - 2014 Ford F150 truck. Sponsored by:, 1987 - 1996 F150 & Larger F-Series Trucks - Idle air control valve? - I have a 1988 F-250 with AOD Fuel Injected 5.0. It was giving me some problems like excessive roaring like noise when I accelerated, harsh and abrupt shifting, lack of power and recently rough idling. Now please understand, I am almost totally deaf..., The computer on your Honda fuel-injected engine uses the Idle Air Control (IAC) valve to control idle speed. When you fire up the engine for the first time during the day, the engine is below operating temperature. The IAC valve lets air bypass the throttle plates to increase engine RPM and smooth engine operation. As ..., Labor: 1.0. To diagnose the P0511 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., Advance Auto Parts has 2 different Fuel Injection Idle Air Control Valve for your vehicle, ready for shipping or in-store pick up. The best part is, our Ford F-150 Fuel Injection Idle Air Control Valve products start from as little as $78.99. When it comes to your Ford F-150, you want parts and products from only trusted brands., FORD > 2004 > F-150 > 5.4L V8 > Fuel & Air > Idle Air Control (IAC) Valve. Price: Alternate: No parts for vehicles in selected markets. Economy . HOLSTEIN, Buy Idle Control Valve - Compatible with 2001-2003, 2005-2008 Ford F-150 4.2L V6: Idle Air Control Valves - Amazon.com FREE DELIVERY possible on eligible purchases Skip to main content ... Delivering to Lebanon 66952 Update location Automotive Parts & Accessories. Select the department you ..., Originally Posted by a.beam.reach. I just bought an 06' F250 with the V10 6.8L in it and I really like the truck. Idle is a little bit rough. It is hunting / searching for idle. Once it stalled on me at a stoplight. I did some searching on this site and found that it most likely is the IAC ( Idle Air Control Valve ) and I have been searching ..., My 2010 focus se give rough idle. The cabin vibrate a lot. I also found the idle speed is not stable. Shaking up and down (700-800 rpm?). After searching online for a while. I decide to clean the mass air flow sensor and the idle air control valve., today we have a 2002 ford f150 with a 4.6 changing the idle air control valve very easy to access and repair check us out on fb hit the like button and subsc..., Truck: 2014 STX F-150. Location: Louisville, KY. by CollinsTech » Tue Jan 09, 2007 11:25 pm. The IAT (inlet air temp sensor)can be cleaned, but is probably not your problem. More then likely your ECT (engine coolant temp) sensor is bad. If your truck is very hard to start, uses alot of gas,your tailpipe is black---the ECT is probably bad., Ford valve f150 iac location where expedition 2005 idle p1507 help source trouble code fordf150 v8 2001Iac f150 ford idle air clean 150 body throttle bolts caution gasket word between Idle valve ford control air iac test problems stalling2003 ford f-150 iac valve replacement., Location of the IAC Valve on Ford F-150. The IAC valve is present below the black throttle body cover. This cover is held using three bolts. Basically, the idle air valve is connected with the throttle body, which is connected to the engine. Two cables coming from the engine are usually attached to the valve., 1990 ford f-150 xlt larriat, single cab, longbed. K&N cold air intake, cut 1 cat ran 3 in pipe to a glasspack. ... 2010 F-150 XLT Crew Cab Location: ... IAC valve knowledge needed. Post by Ford4Fun » Fri Apr 03, 2015 9:04 pm. Can the Idle Air Control motor cause the engine to stall due to seemingly not getting enough fuel? My 1993 F150 4.9l ..., Take 3 or 4 sharpened pencils cut to about 2"-3" and put sharpened ends into the bolt holes to keep the gasket aligned. Need help with no start. Ford Inline Six, 200, 250, 4.9L / 300 - Chronic high idle problem - finally fixed it - My 1991 4.9L has had a high idle ever since I bought it from my brother-in-law., Disconnect the electronic throttle control electrical connector. Remove the TB bolts and the TB and discard the gasket. To install, tighten to 9 Nm (80 lb-in). Tighten an additional 90 degrees (1/4 turn). Install a new TB gasket. To install, reverse the removal procedure. Ray M., Ford Master Tech. Category: Ford., Jun 25, 2011 · An idle air control valve, also called an IAC valve, is found in every vehicle and is located inside of the throttle body. When a car idles at a red light or while parked, the idle air control valve regulates the amount …, Disconnect the electronic throttle control electrical connector. Remove the TB bolts and the TB and discard the gasket. To install, tighten to 9 Nm (80 lb-in). Tighten an additional 90 degrees (1/4 turn). Install a new TB gasket. To install, reverse the removal procedure. Ray M., Ford Master Tech. Category: Ford., Replacing IAC on 1995-2004 Ford Mustang V6 3.8 and 3.9. Also similar to Windstar 3.8 and F150 4.2 engines., Jan 25, 2016 · Hello and welcome to 2CarPros and today we are going to show you how to clean an Idle Air Control on a Ford Super Duty 5.4L V8 from the years of 1999-2007.If..., Studies show that people would rather do something—anything—than be alone with their thoughts. The idea that doing something trumps doing nothing is no new phenomenon. But it's thr..., The IACV valve is operated by a step motor. This motor has winding phases and is actuated by the output signals of ECM. Each time the IACV opens or closes to..., The Ford F150 idle air control valve regulates how much air passes into the engine to mix with the fuel. When the valve becomes clogged, it restricts the flow of air and responds more slowly. The lowered performance causes your engine to flood with fuel and your tailpipe to backfire. Take care of these issues with a high-quality F150 IAC valve ..., Locate the IAC valve attached on or near the throttle body. Disconnect the electrical plug from the IAC valve. (On the 5.4L Triton engines, it is easier to remove the valve itself before disconnecting the electrical plug.) Remove the (2) 8mm bolts securing the IAC valve in place., Dec 12, 2021 · In this video, you will learn 4 symptoms of a bad idle air control valve. Watching this video will help you diagnose to see if it is time to replace your idl..., 9.2K. 1.1M views 8 years ago #savagescotty. Idle air control valve replacement. How to replace idle air control valve in your car, DIY with Scotty Kilmer. How to fix a car that..., Hello, I have a 2012 F150 3.7L and I need to know the location of the IAC valve on this truck so I can change it. I have looked around the web and nothing refers to the location on the 3.7L, I believe it has an IAC since it is mentioned in the repair manual and also available on rock auto. If anyone can point me in the right direction it would ..., 2003 Ford F150 Idle Air Control Valve Gasket. Buy Online. Pick Up In-Store. Brand. Price. Rating. What are you working on today? Get an exact fit for your 2003 Ford F150. ... Ford F250 Idle Air Control Valve Gasket; Show Less. Advice and How tos. How to Use Car Defrosters; Does AC Affect Gas Mileage?, Maintenance Shop - bad idle air controle valve - When I start my truck cold it does not seem to settle at a constant idle. The engine will either idle high or low or rev up and stall out. Doesn't seem to do it much when the truck finally warms up. 13 degrees at 6 am is a bit cold to sit outside with my foot on the gas..., Dec 4, 2020 · Backfiring. If the engine doesn’t have enough air, the air-to-fuel mixture ratio is off, and some fuel might be left after the spark. This fuel then makes its way through the system and could ..., Aug 14, 2022 ... Hello! In this video I will correct a rough idle issue with my 1994 F150 by replacing my Idle Air Control Valve., A properly functioning idle air control valve for Ford Escape regulates the amount of air going to your engine so your vehicle's computer knows how much fuel is required. Signs that your Escape IAC valve is defective including a drop in RPMs while idling and irregular deceleration or backfiring when you take your foot off of the pedal., The idle air control valve on your Ford F-Series controls the speed of the engine when it is at idle. The idle air control valve is used on fuel-injected models to control the idle speed, which is adjusted according to the engine temperature. Over time, the idle air valve can stop working, and may not open when the throttle is not activated.