Full Answer
How to replace the IAC valve on a Ford F150?
Ford F150: How to Clean/Replace IAC Valve 1 Step 1 – Remove throttle body cover. Whenever working on your car or truck, especially with electrical components, it is typically a good idea to disconnect the battery. 2 Step 3 – Clean IAC valve. ... 3 Step 4 – Reinstall IAC valve. ... 4 Featured Video: IAC Valve Replacement. ...
How does an IAC valve work on a car?
This electronically controlled valve works to vary the amount of air entering the engine while the throttle body is closed to stabilize the idle. Over time and mileage, it is common for carbon buildup to collect in the IAC valve and cause erratic operation.
What are the symptoms of a bad IAC valve on Ford?
Symptoms of a faulty or malfunctioning IAC valve include hard starting, rough or erratic idle, engine stalling, and engine stumbling during take-off. Fortunately, the IAC valve on most Ford F-150 models are easily accessed and can be cleaned or replaced entirely in a matter of minutes.
Does a 1997 Ford F-150 have an idle air control valve?
This article will outline the removal, cleaning, and replacement of the idle air control valve on 1997 to 2003 Ford F-150 models. Whenever working on your car or truck, especially with electrical components, it is typically a good idea to disconnect the battery.
What are the symptoms of a failing IAC?
Below are some of the most common symptoms of a faulty IAC:Illuminated Check Engine Light. ... Incorrect Idle Speed. ... Stalling. ... Engine Won't Start. ... Check for Diagnostic Trouble Codes (DTCs) ... Perform a Visual Inspection. ... Test the IAC Valve (Without an OEM-Level Scan Tool)
What is the IAC on a Ford F 150?
The Ford F150 idle air control valve regulates how much air passes into the engine to mix with the fuel.
Where is the IAC on a Ford F150?
1:546:33F150 Idle Air Control Valve Symptoms and Replacement How To - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis is the idle air control valve itself you can just unplug it by pushing on this pin and pullingMoreThis is the idle air control valve itself you can just unplug it by pushing on this pin and pulling straight back. And there are two eight millimeter bolts one on either. Side.
What happens when idle air control fails?
When the idle air control valve fails, it inhibits the flow of air through the engine. When the car can't receive air, it leads to engine stalling. The severity of this symptom can range from occasional stalling at first, to stalling immediately after ignition.
How do you reset the IAC on a Ford f150?
You can reset the idle air control (IAC) valve by turning the car on, putting the car into park, pressing the brake down, then pushing the gas pedal down, counting down about 5 seconds, turning the car off, waiting 10 seconds and start the car again, checking to see if the car is idling properly.
How do you test a Ford IAC valve?
0:000:57How to Test Idle Air Control Valve (IAC) 1986 Ford F150 IAC - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd it doesn't matter which direction you touch the positive and negative lead as long as you'reMoreAnd it doesn't matter which direction you touch the positive and negative lead as long as you're touching them both whoops. She'll go up and then she'll hold steady where it's supposed to be.
How do you clean a Ford IAC valve?
1:329:45Cleaning your throttle body and IAC for a smoother Idle. Ford Tauras or ...YouTubeStart of suggested clipEnd of suggested clipI'll go ahead and spray a little bit of a this is a carburetor cleaner you can get this just aboutMoreI'll go ahead and spray a little bit of a this is a carburetor cleaner you can get this just about anywhere cleaned out a little bit there.
Can I clean my IAC valve?
How do you clean an IAC valve? After relocating the IAC valve, you need to unscrew it and detach all the wires. You can clean it by soaking it in gasoline and blowing compressed air into it. Then, reattach it with the screws and reconnect the wires.
Where is the IAC valve located?
throttle bodyLocating the Idle Air Control Valve The IACV is usually located on the intake manifold near the back of the throttle body.
How much does it cost to replace an IAC valve?
The replacement cost of an idle control valve is anywhere from $120 to $500. The cost of the parts alone will be between $70 and $400+, depending on the make and model of your vehicle. The labor cost should only be around $50 to $100 because it doesn't take that long to remove and replace the old idle control valve.
How much does a IAC valve cost?
The average replacement cost of an idle air control valve is between $120 and $500. The parts could cost anywhere from $45 to more than $400, while the labor is only around $70.
How do I fix my idle air control valve?
10:4513:52How to Fix a Car that Idles Poorly (Rough Idle) - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo when you first start your car your idle is going to be above a thousand rpms. That's fine itMoreSo when you first start your car your idle is going to be above a thousand rpms. That's fine it should drop down slowly after about a minute or so and then eventually drop down below a thousand rpms.
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.
Turn off its engine
First of all, if your vehicle is running, you need to find a safe parking spot and then turn OFF the engine.
Remove its wires
IAC also has some wires connected to it. It would be best if you unplugged them for your safety. In some models of Ford F150, you need to remove the valve from underneath the vehicle.
Clean the valve with spray cleaner
Cleaning is an important part that needs specific precautionary steps. You should wear plastic gloves and glasses.
Check all its parts
Recheck that all your components are placed at their required spot or not. Then, put down the bonnet of the Ford F150 gently.
What are the symptoms of a bad idle air control valve?
Just like any other component in a vehicle, idle air control is not a fail-proof part. As a result, it can sometimes get dirty, or it may start producing noise.
How much does it cost to clean the IAC valve?
You require a brake cleaner spray that may cost you around $20 for cleaning.
Step 2 – Remove 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. Be sure to collect the washers and gasket during removal.
Step 3 – Clean IAC Valve
- In some cases, the IAC valve can be cleaned with carburetor cleaner to remove carbon buildup and restore functionality. With the valve removed from the engine, soak the inside or the valve with carb cleaner until it is free of gunk and buildup. A small toothbrush or similar tool can be used to scrub away any stubborn grit. Allow the valve to dry before reinstalling.
Step 4 – Reinstall IAC Valve
- Whether installing the old valve or swapping in a new unit, clean the throttle body mating surface of all old gasket material.
- Position the valve in place with a new gasket and install the 8mm bolts as well as washers. Torque the bolts to approximately 7.5 ft/lbs.
- Whether installing the old valve or swapping in a new unit, clean the throttle body mating surface of all old gasket material.
- Position the valve in place with a new gasket and install the 8mm bolts as well as washers. Torque the bolts to approximately 7.5 ft/lbs.
- Reconnect the electrical harness to the IAC valve.
- Reconnect the negative battery cable and install throttle body cover (if applicable).
Related Discussions