P0302 on HYUNDAI SONATA — Cylinder 2 Misfire Detected

Q: "What does P0302 mean on a HYUNDAI SONATA?"

"P0302 indicates: Cylinder 2 Misfire Detected. This is a ignition system code. 4 HYUNDAI SONATA owners have reported this to NHTSA."

Q: "What are the most common causes of P0302 on HYUNDAI SONATA?"

"Based on 4 NHTSA reports, the most commonly cited components are: Power Train,Unknown Or Other,Engine, Power Train, Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0302 serious on my HYUNDAI SONATA?"

"Of 4 NHTSA reports for this code on HYUNDAI SONATA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my HYUNDAI SONATA shows P0302?"

"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 P0302 Means on Your HYUNDAI SONATA

P0302 is a diagnostic trouble code indicating: Cylinder 2 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.

4 HYUNDAI SONATA owners have reported this issue to NHTSA across model years 2015-2019. Most reports come from the 2016, 2015 model years.

Real HYUNDAI SONATA Owner Reports

Source: NHTSA Complaints Database

"Our 2015 Sonata has experiencing Engine failure several times due to excessive and irregular oil consumption."

— 2015 HYUNDAI SONATA owner · POWER TRAIN,UNKNOWN OR OTHER,ENGINE · Filed 01/22/2025

"Check engine light came on, difficulty accelerating from a dead stop or going up an incline. I had it at to 2 different locations to be placed on a computer, code P0010 for intake (A) camshaft position actuator circuit."

— 2016 HYUNDAI SONATA owner · ENGINE · Filed 02/17/2023

"2019 sonata 2.0t with just over 11k miles on it began to suddenly studder and want to stall at low rpm or at the stop. obdii error code p0302. dealership said cylinder 2 had little to no compression and needed repair."

— 2019 HYUNDAI SONATA owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 06/19/2019

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

📊 Complaint Trend by Model Year

1

'15

2

'16

1

'19

Common Causes on HYUNDAI SONATA

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN,UNKNOWN or OTHER,ENGINE 25%

POWER TRAIN 25%

ENGINE 25%

ENGINE,FUEL/PROPULSION SYSTEM 25%

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 P0302 mean on a HYUNDAI SONATA? ▾

P0302 indicates: Cylinder 2 Misfire Detected. This is a ignition system code. 4 HYUNDAI SONATA owners have reported this to NHTSA.

What are the most common causes of P0302 on HYUNDAI SONATA? ▾

Based on 4 NHTSA reports, the most commonly cited components are: Power Train,Unknown Or Other,Engine, Power Train, Engine. These percentages are based on the component field in owner complaints.

Is P0302 serious on my HYUNDAI SONATA? ▾

Of 4 NHTSA reports for this code on HYUNDAI SONATA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my HYUNDAI SONATA shows P0302? ▾

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.