For has been a household name for car lovers. And ford explorer is a very famous model, owned by a lot of people from all parts of society.
But the ford explorer models have one problem in common. They all show signs of problematic idleness.
So for ford explorer idle problems, what can be the cause and what can we do about it?
The ignition, air filter, and onboard electronic sensor all must work properly for these problems to not happen. But most commonly the build-up of carbon in the IAC valve is the main reason behind it. We need to replace faulty parts and keep the IAC valve clean from carbon residue.
That was the gist of the full discussion. To get a better understanding, follow the article to the very end.
So, let’s get started!
What Idle Problems Do Ford Explorers Have?
Ford explorers are pretty famous cars. But it’s not one without problems. In fact, it’s quite the opposite.
Most ford explorer users have experienced some kind of car idle problem in their lifetime.
Idling is when you have to stop but you don’t turn off your engine. It might be because of a quick stop somewhere, or you’re stuck at a red light.
But normally, idling should be quiet. There shouldn’t be much sound or vibration. And your car should maintain a steady rpm when you start to run again.
Rattling or vibrating in idle isn’t ideal at all. They can be signs of further problems. So if your car is not idling properly you should check it out.
But in ford explorers, with time the idle gets quite rough. Sometimes it has a very high rpm idle. And sometimes the 2004 ford explorer stalls at idle.
There is also a lot of vibration and sound reported by the ford explorer owners as well.
There are multiple reasons that can cause this. And some reasons are more prone to happen than others.
Cars having rough idle isn’t ideal at all. It makes waiting in traffic irritating and tiresome. Also, the sound is disturbing to other people as well.
So if you encounter these problems, there are some solutions that you can try for yourself to fix the problems.
Firstly we’ll discuss what can cause this to happen. And then we’ll move on to how we can tackle those problems in a quick and easy way.
Probable Causes Behind Ford Explorer Idle Problems
The various idling problems can be caused by a number of reasons. There might be a problem with electronic sensors. Or it could be a carbon build-up in the insides of essential pathways.
So let’s see what could be behind the problems.
1. Ignition System Failure
An ignition system can be the cause of idling problems due to a faulty part. The ignition system is based on a few parts.
Mainly spark plugs, ignition coil packs, and spark plug wires make up the whole ignition system.
Spark plugs are now mostly made of iridium. And they are the reason behind perfectly timed ignitions. But with use, they can wear out too.
In the same way, a worn-out coil pack or damaged wire can cause rough idle.
2. Air Filter Accumulated With Too Much Dust
Normally, if there is any problem with the internals, the check engine light will be on. But sometimes you can get a rough idle no check engine light.
In this kind of scenario, it’s worth a look at the air filter. Especially if your car has been through a rough or dirty track. The air filter can be filled to the brim.
That will not allow it to intake necessary air to idle properly. It’s very easy to inspect the part and easy to fix and replace too. So doing this little inspection might save you a lot of trouble.
3. Electronics Sensors Misbehaving
There are various electronic sensors in your car that send various data to your car. In this case, the oxygen sensor has the most importance.
As the oxygen sensor sends data about how much oxygen there is present. And depending on that the ECU determines the correct ratio of air and fuel.
Due to being in one of the hottest places in the car. And handling hot exhaust fumes all the time. The oxygen sensor can get damaged.
And that can send incorrect data which can lead to idle problems.
4. Problems With the Idle Control Valve or IAC
Surveying from the users and researching lots of ford explorers. This point appears to be the most common cause of the rough idle problem.
The idle air control valve ford explorer has ( IDC ), can get carbon build up in it as time goes by. And once it gets enough buildup of carbon inside it, the airflow gets restricted.
Sometimes due to excessive pressure, the valve can get crushed. Then the passageway gets narrow. And less air can pass through.
A ford explorer vacuum leak could be the cause too. Due to wear and pressure the valve might get a leak somewhere. And that will lead to inadequate pressure.
Well, now that we know the causes, we will know where to look. But identifying the problem is one thing. But fixing it is another.
Most times it would be preferable to leave it at the hands of a professional. But sometimes you might need an emergency fix. Or you just want to save some money.
So let’s check out a few solutions that we can try.
Solutions & Easy Fixes To The Idle Problem
Firstly, let’s talk about things that we can replace. If the problem is in the ignition system then we will see a check engine light. And if we don’t see one it should be the air filter.
In both cases, we just need to clean and replace the old hardware. So replacing a spark plug or cleaning or replacing an air filter is an easy task.
But if there is something wrong with the sensors, then it’s best to not use force. Sometimes all they need is a necessary software update.
But when it comes to the most common reason, the IAC. We can use a step-by-step solution to fix it. It’s really easy to do and works most of the time.
So let’s see what we need to do.
Step-1: Locating & Isolating the Idle Air Control Valve
Disconnect the car battery from the car. You don’t want any electricity running when you’re touching the insides. Carefully locate the IAC around the hardware.
Make sure to remove other wires and ducts from your way. You can remove the engine oil cap to get a better view of things.
Step-2: Cleaning the IAC Valve & Checking For Leaks
Remove the IAC valve carefully. Check the carbon build-up. And clean it up with appropriate cleaner.
There are decarbonizing sprays available in the market that you can use. Those are oil-based liquids that dissolve carbon.
Or you can also take out the whole IAC valve and soak it in gasoline. After soaking it for some time, you can use high-pressure air to remove all the carbon residue.
After cleaning you need to look for any possible leakage. For that spray the valve with automotive safe spray to notice any leakage. If there’s no leakage it’s good to go back on.
Here are some of the popular automotive safe sprays that you can use:
Hopefully, this recommendation will be convenient for you.
After reinstalling now it’s time to run and see if your car is fixed.
Step-3: Running & Final Checking
After You’ve reinstalled the IAC. Start the car and run it for five minutes.
Make sure to turn the air conditioning and headlights on.
And that’s it! If the idle problem was caused by IAC, it won’t be a problem anymore.
If you’re facing problems even after following all these procedures, it’s best to consult an expert.
Can You Clean IAC Valve Using Oil?
Yes, you can. The main residue build-up inside an IAC valve is carbon. So it can be easily cleaned with oil-based liquids. Most people soak the valve in gasoline. And then use high-pressure air to remove all the carbon build-up.
Can Idling Cause Damage To Your Engine?
Yes, idling can damage your engine. When idling, your engine is running at a lower temperature than its peak. So the fuel is not combusting properly inside. That creates residue inside the engine chambers. And with time can damage your engine.
Is Decarbonizing Your Engine Necessary?
Yes, it is necessary and increases your engine’s lifetime. The longer you run your car the more combustion inside the engine happens. But it’s not fully combusted every time. From the unfinished combustion, carbon is created and accumulates as residue. This wears out your engine.
Hopefully, all your ford explorer idle problems will be fixed after this. Take good care of your vehicle and refrain from idling too long.
Also, do regular checkups and maintenance of your vehicle. Because being stuck in the middle of nowhere is the last thing you would want.
Until next time, stay safe and healthy!
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