📖 What Does P0312 Mean?
Engine misfire detected in one or more cylinders affecting combustion efficiency.
Symptoms
Rough idle, engine shaking, loss of power, flashing check engine light, poor fuel economy.
Common Causes
Faulty spark plugs, ignition coils, fuel injectors, compression issues, vacuum leaks.
Possible Solutions
Replace spark plugs and coils, clean fuel injectors, check compression, repair vacuum leaks.
Recommended Parts & Tools
Find the right parts for your P0312 repair on Amazon
📦 Parts Needed
🔧 Tools Required
💡 Pro Tip: Always verify part compatibility with your specific vehicle year, make, and model before purchasing.
As an Amazon Associate, CarMedic earns from qualifying purchases. This helps us maintain our free diagnostic database.
Frequently Asked Questions about P0312
How serious is P0312?
This code has a high severity level. You should address this issue immediately to prevent engine damage.
Can I drive with P0312?
Driving with this code is not recommended as it may cause further engine damage.
How much does it cost to fix P0312?
Repair costs vary depending on the root cause, but typically range from $200-500 including parts and labor.
Related Diagnostic Codes
Other codes that may appear with P0312
Random/Multiple Cylinder Misfire Detected
Cylinder 1 Misfire Detected
Cylinder 2 Misfire Detected
Cylinder 3 Misfire Detected
Cylinder 4 Misfire Detected
Cylinder 5 Misfire Detected
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system