Yes, P0310 can be serious. It may indicate a problem that affects drivability, emissions, or long-term engine health. It is recommended to address it promptly.

Can I drive with P0310?

It is not recommended to drive with an active P0310 for extended periods, as it can cause catalytic converter damage or unsafe driving conditions.

Will P0310 clear itself?

P0310 may clear if the fault is intermittent, but it will likely return if the underlying issue is not resolved. Use a scanner to monitor pending and confirmed codes.

P0310 - Cylinder 10 Misfire Detected

P0310 is a Diagnostic Trouble Code (DTC) indicating a fault related to Cylinder 10 Misfire Detected. This code falls within the Powertrain (P) category and is standardized across OBD2-equipped vehicles. When P0310 is stored in the engine control module (ECM), it means the onboard diagnostics have detected a malfunction or out-of-range condition in the Cylinder 10 Misfire Detected circuit or system.

P0310 - Cylinder 10 Misfire Detected

What is P0310?

P0310 is a Diagnostic Trouble Code (DTC) indicating a fault related to Cylinder 10 Misfire Detected. This code falls within the Powertrain (P) category and is standardized across OBD2-equipped vehicles.

When P0310 is stored in the engine control module (ECM), it means the onboard diagnostics have detected a malfunction or out-of-range condition in the Cylinder 10 Misfire Detected circuit or system.

Common Symptoms

Engine shaking or rough idle
Loss of power during acceleration
Check Engine Light flashing
Unusual exhaust smell or sound

Possible Causes

Worn or fouled spark plugs
Faulty ignition coil(s)
Vacuum leak
Low compression in affected cylinder
Clogged or leaking fuel injector

Step-by-Step Diagnosis

Connect an OBD2 scanner and confirm the code is present. Note any additional codes.
Review freeze frame data to understand engine conditions when the code was set.
Visually inspect the Cylinder 10 Misfire Detected and related wiring harness for damage, corrosion, or loose connections.
Perform a wiggle test on wiring while monitoring live data (if applicable).
Use a multimeter to check sensor/actuator resistance, voltage, and ground integrity.
Compare live data readings to factory specifications.
If circuit-related, trace the wiring diagram and test for opens, shorts, or high resistance.
Clear the code and perform a road test to verify repair.

Recommended Repairs

Replace or repair the faulty Cylinder 10 Misfire Detected if testing confirms failure.
Repair any damaged wiring, connectors, or terminals. Ensure proper routing and secure mounting.
Clean components (throttle body, MAF sensor, EGR valve) if contamination is present.
Update ECM/TCM software if a technical service bulletin (TSB) applies.
Replace related fluids (transmission fluid, coolant) if degraded or incorrect.
Verify repair by clearing codes and completing an extended road test under various conditions.

Related Diagnostic Trouble Codes

External References and Forum Discussions

Disclaimer

The information provided is for educational purposes only. Always consult a qualified mechanic for accurate diagnosis and repair. Diagnostic Trouble Codes can have multiple causes, and proper testing is essential before replacing parts.

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P0310 - Cylinder 10 Misfire Detected

P0310 Diagnostic Trouble Code