Honda Civics are some of the world’s most reliable cars, but they encounter a handful of problems as they get older. If your Civic is experiencing mechanical troubles, you’re in good company! Stalling typically stems from temperature fluctuations and other failures, but today, you’ll become an expert in ‘why’ and how to fix it.
If your Honda Civic stalls while driving, accelerating, or when it’s cold or hot, it could be due to low fuel, a bad coolant sensor, a dead battery, a failing alternator, and a plethora of other problems. Brake booster blockages can cause stalling while stopping, as could ABS leaks.
Throughout this article, you’ll also learn the following details about why your Honda Civic is suddenly stalling:
- Information about why your car is stalling when you’re driving or accelerating
- Why you can’t take control after it starts or stops
- Tips to fix Honda Civic stalling malfunctions
Honda Civic Keeps Shutting Off/Stalling Problems
A vehicle’s ignition system is often responsible for stalling errors, though there are dozens of other possibilities. If your Honda Civic keeps shutting off when you’re driving, stopping, or accelerating, there’s a high chance the ignition might be to blame. Fortunately, there’s an easy way to test the theory.
Here’s what you’ll need to do:
- Find out when the vehicle stalls. If it cuts out before you accelerate, the ignition is the culprit. Knowing when and where it stalls will also let you know which steps you need to take next. If it happens when you’re braking, speeding up, or slowing down, locate the section corresponding to your problem.
- Those who have a Civic and experience shutting off or stalling problems before driving should inspect the ignition. It’s a significant part of the driving process, so there’s no need to skip it. In fact, many people recommend checking the ignition before anything else.
- Put your keys in the ignition, turn them, and listen for the typical starting noise. If it’s not there, you have an ignition issue on your hands. It’s likely due to a faulty ignition relay. If you’re not well-versed in vehicle terminology, it’d be best to bring it to a repair shop.
Honda Civic Keeps Dying
Old vehicles are prone to dying, but it’s not always the manufacturer’s error. There’s good and bad news about a dying Civic:
- The good news is it might be something simple like a battery replacement. These are easy DIY repairs for many car owners, and since batteries range between $50 to $120, you don’t have to break the bank for the repair.
- The bad news is it could be the alternator, which can cost well over $400 to $500. You can test the battery by using a multimeter. Place one cable on the positive terminal and the other cable on the negative terminal. You should read at least 12 volts. If it’s lower than 12 volts, you’ll have to charge or replace the battery.
The best way to know if your alternator is bad is to bring it to a mechanic. However, if you replace the battery with a brand-new model and it keeps dying, it’s almost always your alternator’s fault. Replace the alternator and review the results.
To prevent your Honda Civic from dying repeatedly, make sure you close the doors all the way, turn off all inside and outside lights, and disconnect anything charging in the vehicle. Smartphones, Bluetooth connections, and other devices can drain the car’s battery, especially if it’s on its last leg.
Honda Civic Stalls While Driving
Stalling while driving is one of the scariest experiences you’ll have on the road. If you’ve had it happen, you know how terrifying it feels. The best thing to do is turn on your hazard lights and pull over to the side of the road. However, that doesn’t solve the problem if it keeps happening every time you drive.
Below, we’ll discuss three primary reasons your Honda Civic stalls while driving.
- Your vehicle might be low on fuel. It seems silly, but all vehicles stall if they don’t have enough fuel. The fuel sensor might be providing a false reading, which means it’s time to have it checked or replaced. Faulty fuel sensors make it impossible to know when you should refill the tank.
- It could be a bad coolant sensor. These sensors are designed to tell the vehicle when it’s too warm or cold. If it’s not providing a correct reading, the vehicle might not be able to operate as it should. Typically, a coolant sensor costs about the same as a battery.
- Last but not least, your alternator might need to be replaced. The alternator is responsible for charging the battery. If it’s not working, the car’s battery will die, and without a battery, you can’t drive the vehicle. This problem often occurs on vehicles that are driven frequently, such as commuter cars.
Honda Civics are some of the most popular commuter vehicles because they’re reliable, long-lasting, and fuel-efficient. Sadly, this means they’re prone to some of the issues mentioned above once they eclipse 100,000 miles.
Honda Civic Stalls When Coming to a Stop
Alongside stalling while driving, stalling when coming to a stop is a frustrating, unsettling situation. If you’re not able to stop or the vehicle stalls every time you hit the brake pedal, there are many issues you might be dealing with. For example, an ABS leak drains brake fluid, stalling the slowing process.
Another cause of the problem could be the brake booster. This component is designed to make it easier for you to slow down. It increases the brake pedal’s sensitivity, requiring much less pressure to stop the vehicle. If the brake booster is clogged or damaged, you won’t reap its benefits.
It’d be best to pull over to the side of the road and check the brake pedal. It’s rare, but a broken pedal latch could snap the pedal to the ground, preventing you from stopping the vehicle. Some people have had some terrible experiences with broken pedals that they have to pull the emergency brake to stop.
Contrary to popular belief, mechanical failure isn’t always the culprit. Many automotive problems are out of your hands (and the manufacturer’s hands, for that matter). In the next section, we’ll explain why weather patterns and temperature fluctuations are much more influential than you might think.
Honda Civic Stalls When Cold
Cold stalls are typically related to fuel problems. For example, the fuel-oxygen ratio dips when it freezes. Your vehicle needs enough oxygen and fuel until it gets warm enough to handle a consistent temperature. You could use a car cover or park it in the garage with a space heater to prevent future occurrences.
It’s also a good idea to inspect a handful of sensors. It might be the coolant sensor, as explained earlier on the page. If this sensor freezes, it might break, meaning there’s no way it can read and deliver the correct information to the rest of the vehicle. While you’re at it, inspect the coolant levels (along with all other fluids) to ensure they’re full.
Your Honda Civic could have a bad intake air sensor, too. These sensors show how much oxygen is needed for the fuel ratio. Since most cold stalls are fuel-related, an incorrect intake air sensor reading could throw everything out of alignment. You’ll have to use a multimeter on all of these sensors or hire a mechanic for an inspection.
Honda Civic Stalls When Accelerating
Much like cold stalls, acceleration stalls are often related to fuel ratios. If your Honda Civic stalls when accelerating, check the air filter to make sure it’s not clogged. If debris builds up (which it inevitably will), the ratio will be off. Your vehicle’s sensors will report the problem, stalling the vehicle as you accelerate.
So, why does this happen?
- As you accelerate, fuel and oxygen are pumped into a combustion chamber.
- They’re precisely calculated to generate a specific ratio.
- As the piston moves up, it causes a controlled explosion with both components.
- The explosion propels the vehicle, providing power as you accelerate.
- If there’s an improper ratio or bad sensor, this process fails.
When the combustion process fails, there’s no power to move the vehicle. This process is why your Civic stalls when you try to accelerate. That being said, it might be as simple as low fuel, and if you don’t have enough fuel, there’s not enough power. The same could be said for a clogged or damaged fuel tank.
Copyright protected article by Know My Auto and was first published on Mar 19, 2021. .
Anything that interrupts the combustion process delays the power transfer, which stalls the car. Every time it stalls when you’re accelerating or driving at a cruising pace, this is the first system you should inspect. It could also be caused by various sensors, a dying alternator, or a dead car battery.
Honda Civic Stalls When Put in Gear
If your vehicle stalls when you put it in gear, there’s a handful of problems you might be experiencing. One of them is a potential fuel-related malfunction, as detailed in a couple of the previous sections. Unfortunately, the problem could be related to the transmission since it’s responsible for shifting gears.
Transmissions are damaged from long-term regular use, but improper gear shifting dramatically accelerates the process. If you drive an automatic transmission, never switch between reverse and any drive options while the vehicle is moving. Quick switches can break the transmission, one of the most expensive repairs in the automotive industry.
Another problem could be low transmission fluid or oil. Transmission fluid lubricates the transmission, preventing metal-on-metal scraping. It should be clear-pink, so check the fluid’s level and color when you pop the hood. If there are small bits of metal shavings in the fluid, you need to add more fluid.
The trickiest transmission fluid problem is that it can be detrimental to replace the fluid after too long. If the transmission wears down, it relies on the aforementioned small metal shavings for friction. When a new lubricant is added, there’s not enough friction since everything is scraped down to nothing. The gears will slip, causing the vehicle to stall. It can also lead to a transmission replacement.
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In short, always replace your transmission fluid as recommended by the manufacturer’s guide. Failure to do so can result in a transmission replacement, which is thousands of dollars more expensive than replacing the transmission fluid.
Honda Civic Stalls When Warm
If there’s not enough fuel pressure, your vehicle won’t be able to accelerate. You might notice everything seems fine when you’re driving until the vehicle gets warm from normal operation. This problem is often caused by improper fuel ratios or low fuel pressure. Again, if the ratio is off or the car isn’t getting enough pressure from the combustion process, it’ll stall.
There are typically four causes:
- A malfunctioning fuel pump could be the problem. Anything in the process can damage the results. Check the air filter and ensure the vehicle is pulling and spraying enough fuel into the piston chamber.
- The throttle body might be too dirty to function. If it’s clogged or cracked, the fuel pressure will deviate from the norm. The throttle body should constrict and open to allow the proper fuel flow. If it’s not working as it should, your vehicle will stall when it warms up.
- A clogged or damaged fuel filter will stall your vehicle almost every time. As the temperature increases and you accelerate, more fuel is used. When more fuel flows through a clogged filter, the fuel-oxygen ratio is incorrect.
- You might need to get a new battery for your Honda Civic. The alternator will keep it rolling, but as it requires more fuel and power, a dying battery won’t cut it. Check your vehicle’s battery sensor or test the terminals with a multimeter. If it’s not reading 12 volts, it’s time for a new one.
Honda Civic Stalls When AC Is On
A vehicle’s air conditioning system requires quite a bit of power. When the car is functioning properly, this process isn’t a big deal. The battery transfers the appropriate amount of electricity to the AC, but it’s not overwhelmed. However, a damaged or old car battery will stall since it doesn’t have enough power for the AC.
Here’s what you can do about it:
- Turn off the engine and inspect the battery terminals to see if there’s corrosion or buildup.
- Remove the buildup with baking soda, water, and a toothbrush.
- Test the terminals with a multimeter to receive a 12-volt reading.
- Turn on the engine, check if it stalls, then turn on the air conditioner.
- If it stalls when you activate the AC, replace the battery.
You might also have issues with the idle air control (IAC), including a clog. Contact a local car maintenance specialist and have them inspect the IAC for buildup. According to Auto Service Costs, if the IAC is overworked or overwhelmed by the air conditioner, you’ll have to spend up to $500 or more for a replacement (including labor).
Honda Civic Stalls After Starting
If your Civic is stalling right after you start it, there’s likely one of two issues going on:
- The alternator isn’t supplying the proper charging current to the battery. This problem can be caused by a damaged belt, bearings, or alternator. Have it inspected by a mechanic to see if you need to replace any of these components. You’ll experience similar symptoms of driving stalls.
- The battery might be too old to function. You could try cleaning it with the tips from the previous section before you replace it if you want to save money. An old battery sometimes starts the vehicle, but it’ll stall since there’s not enough power to keep it going for a long time.
Unless you’re driving and it stalls, there’s unlikely a fuel-related issue going on. Stalling while accelerating or driving often relate to fuel problems, but standstill stalling usually has to do with the alternator or the battery. In some cases, a damaged alternator can ruin a brand-new battery, so don’t wait too long to have it inspected.
Honda Civic Stalls at Idle
Any vehicle that lacks proper fuel ratios, power sources, or air intake (including a Honda Civic) won’t operate as it should. If your car keeps stalling when it’s idling, you likely have a problem in one of those three areas. The best thing to do is check the battery with the tips and suggestions found above.
Next, remove clogs throughout the vehicle. Clean every filter so it’s getting enough airflow. Check the fuel tank to ensure you have enough gasoline (or electricity if you drive an EV or hybrid). Don’t forget to inspect all of the sensors. Several sensors can cause your vehicle to stall, even if nothing is wrong with the fuel-oxygen ratio or power source.
Stalling is never a good thing, so don’t let a one-off occurrence lose its significance. It can happen again when you least expect it.
Honda Civic Trunk Won’t Open/Close/Unlock/Lock
Honda Civic Speedometer Not Working
Honda Civic Keeps Overheating at Idle/High or Low Speeds/etc.
Honda Civic Rattling (Hood/Timing Chain/Engine/etc.)
KnowMyAuto is the sole owner of this article was published on Mar 19, 2021 and last updated on .