P0313 code — how to fix error fast
Stay informed with the intricacies of the P0313 code for optimal car maintenance.
Have you ever faced the OBD2 error code P0313 along with its symptoms that could include lower engine performance? If so, we believe it’s essential to know the P0313 code meaning and ways of preventing it to deal with this issue. It’s one of the worst engine-related OBD2 codes, but as long as you approach it the right way, you’ll have no problem saving your powertrain.
To help you with that, our team prepared a complete guide on the main P0313 code causes, diagnostic methods, and fixes you can apply to sort out the code.
Why you can trust REREV’s OBD2 code advice: Our automotive expert researchers with experienced mechanics undertakes a thorough research methodology to deliver precise insights on OBD codes. Find out more about OBD2 codes research process..
What does the P0313 code mean?
The P0313 code is a generic powertrain code that indicates a misfire has been detected in one or more of the engine’s cylinders. This code usually indicates that misfires have occurred in the first 1,000 revolutions of the engine. Drivers may notice a lack of power or rough idling when this code appears.
It’s crucial to understand the P0313 code because misfires can cause damage to the engine over time. If left unresolved, misfires can also lead to other issues, such as catalytic converter failure and increased emissions.
What causes the P0313 code?
You may notice symptoms such as rough idling, poor acceleration, or a check engine light when the P0313 code appears. All these symptoms are connected with the code as they are caused by individual reasons that may be behind the code, so here’s a complete overview of these:
Faulty spark plugs
Worn or damaged spark plugs can cause a misfire in the engine and trigger the P0313 error code. Also, it could be due to damaged ignition coils that power the plugs, which may postpone the ignition and end up resulting in a misfire.
Power distribution issues
A faulty ignition coil, distributor cap, or ignition module can also cause a misfire and trigger the P0313 error code.
Fuel delivery problems
A clogged fuel filter, damaged fuel injectors, or low fuel pressure can cause a lean fuel mixture that leads to engine misfires and triggers the P0313 error code.
Mechanical issues
Engine mechanical problems such as low compression, a broken valve spring, or a damaged camshaft can cause misfires and trigger the P0313 error code.
Which car models does the P0313 code affect the most?
The P0313 code can appear in any car with an internal combustion engine. However, some car models are more prone to this issue than others, especially if they feature a history of ignition system issues. Our team decided to look into the reports and here’s what we’ve found:
- Ford F-150: The Ford F-Series trucks like the F-150 have been known to experience issues with engine misfires and related error codes, including the P0313.
- Chevy Silverado: The Chevrolet Silverado trucks are another model that is known to experience issues with engine misfires and the P0313 error code. Like the Ford F-Series trucks, these issues can be caused by a variety of factors related to the ignition and fuel systems.
- Dodge RAM: The Dodge Ram trucks are also prone to issues with engine misfires and the P0313 error code. These issues can be caused by similar factors as the Ford and Chevy trucks, including faulty spark plugs, damaged ignition coils or wiring, or clogged fuel injectors.
How to diagnose the P0313 code
Diagnosing the P0313 code requires specialized tools and equipment. Some steps require having professional tools that are mostly owned by mechanics, while others can easily be conducted on your own so here’s a list:
Do an engine compression test
Low engine compression caused by a broken valve spring, damaged camshaft, or other mechanical issues can also cause misfires and trigger this error code. Performing a compression test on each cylinder can help identify if mechanical issues are present.
Check the fuel delivery system components
A lean fuel mixture caused by a clogged fuel filter, damaged fuel injectors, or low fuel pressure can also cause engine misfires and trigger the P0313 error code. Checking these components for proper operation and performing a fuel pressure test can help determine if the fuel system is causing the problem.
Check spark plugs and related components
Worn or damaged spark plugs, ignition coils, or other ignition components can cause misfires that trigger the P0313 error code. Inspecting these components for signs of wear or damage, such as cracks or corrosion, can help identify the root cause of the problem.
How to fix the P0313 code
Fixing the problem with the code P0313 can depend quite a lot on finding the right reason behind the code. So, if you face the code and manage to figure it out in terms of what’s causing it, here are some of the main solutions you can apply:
Faulty spark plugs or ignition coils
If the issue is caused by faulty spark plugs or ignition coils, a mechanic may recommend replacing these parts. The cost of this fix can range from $100 to $300.
Vacuum leaks
Vacuum leaks can cause misfires, and fixing these leaks can resolve the issue. The cost of this fix can range from $100 to $500.
Fuel delivery issues
Issues with fuel delivery can cause misfires, and fixing these issues may require cleaning or replacing fuel injectors. The cost of this fix can range from $100 to $500.
Faulty sensors
If the issue is caused by faulty sensors, a mechanic may recommend replacing these parts. The cost of this fix can range from $100 to $500.
Engine mechanical problems
If the issue is caused by engine mechanical problems, the cost of fixing the issue will depend on the specific problem. In some cases, the cost of fixing engine mechanical problems can be quite high.
How to prevent the P0313 code
Preventing the P0313 code requires routine maintenance and proper care of the vehicle’s engine. Here are some preventative measures that drivers can take:
- Perform routine maintenance, such as oil changes and air filter replacements, on a regular schedule.
- Use high-quality fuel to avoid fuel-related issues.
- Address any issues with the engine promptly to prevent further damage.
By following these preventative measures, drivers can avoid costly repairs and keep their engines running smoothly.
Our take
The P0313 code is an important diagnostic code that indicates a misfire in the engine’s cylinders. It may seem simple to fix after knowing that, but you could see how difficult it is to diagnose and fix the code through this guide.
By understanding the code, its potential causes, and how to diagnose and fix the issue, you can ensure that your car keeps running smoothly without any misfires.
How can I diagnose the cause of the P0313 error code?
Diagnosing the P0313 error code typically involves using an OBD-II scanner to read the code and any accompanying codes that indicate which cylinder(s) is misfiring. From there, further diagnosis can be performed on components related to the ignition, fuel, or mechanical systems.
What repairs are typically required to fix the P0313 error code?
The specific repairs required to fix the P0313 error code will depend on the root cause of the problem. For example, replacing faulty spark plugs or ignition coils may be necessary to address ignition-related issues, while cleaning or replacing fuel injectors may be necessary to address fuel-related issues.
How can I prevent the P0313 error code from occurring in the future?
Regular maintenance and timely repairs can help prevent engine misfires and related error codes from occurring in any car model. This includes performing regular tune-ups, replacing worn components as needed, and addressing any issues as soon as they are identified.
