P0300 on Kia Soul
Random/Multiple Cylinder Misfire Detected
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Kia Soul context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0300.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0300 Means on Your Kia Soul
P0300 is a diagnostic trouble code indicating: Random/Multiple Cylinder Misfire Detected. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Kia Soul Owner Reports
Source: NHTSA Complaints Database
"7/22/20 - car driven to firestone store #005738, newport, ky to purchase 2 new tires and an engine courtesy check was performed - firestone id #7046930 - no engine lights, no safety warnings, mileage 77,071 miles on car."
"Purchased used 2013 Kia Soul July 2018. June 2019, vehicle was taken to Kia Dealership for SC176-19V120 ECU Logic Upgrade. Neither catalytic converter nor engine were replaced during recall repair. In 2020, vehicle began consuming oil and poor mileage. No smoke or leak detected."
"Subject: Reimbursement Request for Engine Defect Repairs - VIN [XXX] Dear Kia Consumer Assistance Center, I am requesting full reimbursement for repairs necessitated by the known engine defect in my 2014 Kia Soul with the 2."
"Multiple misfires, codes Codes P062E x2 P0300 P0303 P0302 P0500 P0267 P0264 P050B"
"This vehicle has a serious oil consumption issue. It was first noticed about three years ago and has been getting progressively worse. As of June 2023 it consumes a full oil tank in about 2500 miles."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Kia Soul
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
-
1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
-
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
-
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.