D
p0300
Moderate
Dodge · SUVs
Random/Multiple Cylinder Misfire Detected
Quick Answer
Error code P0300 on your Dodge SUVs means: Random/Multiple Cylinder Misfire Detected. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
DRDR-RTDR-SRTHNHN-RTJN
Likely Causes
  1. Faulty spark plugs
  2. Ignition coil failure
  3. Fuel injector malfunction
  4. Compression loss
  5. Timing issue
How to Fix It
1
Connect OBD2 scanner and review freeze frame data
2
Inspect and replace spark plugs
3
Check ignition coils for resistance and voltage
4
Test fuel injector operation
5
Check engine compression
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Spark plugs
Ignition coils
Fuel injectors
Related Error Codes
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