P0300 on KIA SOUL — Random/Multiple Cylinder Misfire Detected

Q: "What does P0300 mean on a KIA SOUL?"

"P0300 indicates: Random/Multiple Cylinder Misfire Detected. This is a ignition system code. 11 KIA SOUL owners have reported this to NHTSA."

Q: "What are the most common causes of P0300 on KIA SOUL?"

"Based on 11 NHTSA reports, the most commonly cited components are: Engine, Unknown Or Other,Engine, Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P0300 serious on my KIA SOUL?"

"Of 11 NHTSA reports for this code on KIA SOUL, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my KIA SOUL shows P0300?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

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.

11 KIA SOUL owners have reported this issue to NHTSA across model years 2012-2018. Most reports come from the 2014, 2017 model years. The most commonly reported component is Engine (63.6% of reports).

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."

— 2012 KIA SOUL owner · ENGINE · Filed 07/22/2020

"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."

— 2013 KIA SOUL owner · ENGINE · Filed 02/17/2022

"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."

— 2014 KIA SOUL owner · UNKNOWN OR OTHER,ENGINE · Filed 11/21/2025

"Multiple misfires, codes Codes P062E x2 P0300 P0303 P0302 P0500 P0267 P0264 P050B"

— 2014 KIA SOUL owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 09/01/2024

"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."

— 2014 KIA SOUL owner · ELECTRICAL SYSTEM,ENGINE · Filed 11/04/2022

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1

'12

1

'13

4

'14

1

'16

2

'17

2

'18

Common Causes on KIA SOUL

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 63.6%

UNKNOWN or OTHER,ENGINE 18.2%

ENGINE,FUEL/PROPULSION SYSTEM 9.1%

ELECTRICAL SYSTEM,ENGINE 9.1%

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.

Frequently Asked Questions

What does P0300 mean on a KIA SOUL? ▾

P0300 indicates: Random/Multiple Cylinder Misfire Detected. This is a ignition system code. 11 KIA SOUL owners have reported this to NHTSA.

What are the most common causes of P0300 on KIA SOUL? ▾

Based on 11 NHTSA reports, the most commonly cited components are: Engine, Unknown Or Other,Engine, Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P0300 serious on my KIA SOUL? ▾

Of 11 NHTSA reports for this code on KIA SOUL, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my KIA SOUL shows P0300? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.