P0302
Cylinder 2 Misfire Detected
P0302 is an OBD-II diagnostic trouble code meaning: Cylinder 2 Misfire Detected. Common causes: faulty spark plugs, faulty ignition coil. Estimated repair cost: $56–167.
Symptoms
- Engine troubles
- Power Loss
- Increased fuel consumption
- Engine vibration
- Check Engine Light Is On
Causes
- Faulty spark plugs
- Faulty ignition coil
- Problems with the fuel injector
- Low cylinder compression
- Malfunction of the mass air flow sensor (MAF)
- Vacuum leak
- Problems with the Exhaust Gas Recirculation (EGR) system
How to Fix
- Check spark plugs and replace if necessary
- Check ignition coil and wires
- Check fuel injector
- Measure the compression in the cylinder
- Check the mass air flow sensor (MAF)
- Check the system for vacuum leaks
- Check the exhaust gas recirculation (EGR) system
Related codes
Error P0302 by Vehicle Brand
FAQ
What does the P0302 code mean?
P0302 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Misfire Detected
What causes a P0302 error code?
The most common causes of P0302 include: Faulty spark plugs; Faulty ignition coil; Problems with the fuel injector; Low cylinder compression.
How do I fix a P0302 diagnostic trouble code?
To fix P0302: Check spark plugs and replace if necessary. Check ignition coil and wires. Check fuel injector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0302?
Limited driving only, diagnose soon
How much does it cost to fix P0302?
The estimated repair cost for P0302 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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