Why is my Subaru engine not starting?
If your Subaru engine is not starting, there could be several potential reasons. The most common issues include a dead battery, a problem with the fuel system, or an issue with the ignition system. Let's explore these potential causes in more detail.
Checking the Battery
One of the first things to check is the battery. A dead or dying battery is a common reason for a Subaru engine not starting. Try jump-starting the car or testing the battery with a voltmeter to see if it's holding a charge. If the battery is the issue, you may need to replace it.
Inspecting the Fuel System
Another potential problem could be with the fuel system. Make sure there is enough fuel in the tank and that the fuel pump is working properly. Check for any leaks or blockages in the fuel lines. If the fuel system is the culprit, you may need to have it serviced by a professional.
Troubleshooting the Ignition System
Issues with the ignition system, such as a faulty spark plug or a problem with the ignition coil, can also prevent the engine from starting. Inspect the spark plugs and ignition coils, and replace any that are worn or damaged.
Other Possible Causes
In some cases, the engine not starting could be due to a problem with the engine sensors, the fuel injectors, or even a mechanical issue within the engine itself. If you've checked the battery, fuel system, and ignition system and the engine still won't start, it's best to have a professional mechanic diagnose the problem.
Remember, it's always a good idea to consult your Subaru's owner's manual or a trusted mechanic for specific troubleshooting steps and recommendations for your vehicle.
What is the most common engine problem in Subaru?
One of the most notorious issues plaguing Subaru vehicles is head gasket leaks, particularly in older models with the EJ series engines. These leaks can lead to coolant loss, overheating, and potential engine damage if left untreated.
How do you force restart a Subaru?
Press and Hold the Power Button: Press and hold the power button for approximately 10-15 seconds until the screen goes blank and the system powers off. Wait a Few Moments: Allow the system to remain powered off for a few moments before pressing the power button again to restart it.
What happens if your car won't start but has power?
If your car has power but won't start, the problem is likely a bad starter motor, an issue with the fuel system, or a faulty ignition switch. You may hear a single click (which can point to a bad starter) or a whirring sound (which can mean a bad starter solenoid). Other less common causes include blown fuses, a security system issue, or a bad alternator.
This video explains the common issues why a car won't start but has power: 55sFixITYouTube · Jan 23, 2025
Common causes
- Starter motor: If you hear a loud click when you turn the key, the starter motor may be failing. It could be getting power, but it isn't able to turn the engine over.
- Fuel system: A bad fuel pump or clogged fuel filter can prevent the engine from getting the necessary fuel to start.
- Ignition switch: A faulty ignition switch may not be sending the "start" signal to the rest of the car, even if the lights and radio work.
- Blown fuse: A blown fuse can cause the car to have no power at all or only partial power, depending on which fuse is blown.
- Security system: Some anti-theft systems can prevent the car from starting as a security measure.
- Alternator: If your battery is getting low, the alternator may be failing and not charging the battery correctly.
What to do
- Check the basics: Make sure the gear shift is firmly in Park or Neutral. Also, check that the battery terminals are clean and tight.
- Listen for sounds: Turn the key to the start position and listen for any sounds. A single loud click points to the starter, a whirring sound suggests a bad starter solenoid.
- Don't keep cranking: Repeatedly cranking the engine can drain the battery further.
- If you suspect a specific issue, such as a blown fuse: Use a multimeter to check the fuses in the fuse box and replace any that are blown.
- If you're still unsure: It's best to have the car diagnosed by a professional to avoid any further damage.
Why is my Subaru turning on but not starting?
Electrical system issues, such as blown fuses, corroded battery terminals, or damaged wiring, can also prevent a Subaru car from starting. It's essential to inspect the electrical system components and connections for signs of damage or corrosion and address any issues promptly.
