P0301 on HYUNDAI ELANTRA — Cylinder 1 Misfire Detected

Q: "What does P0301 mean on a HYUNDAI ELANTRA?"

"P0301 indicates: Cylinder 1 Misfire Detected. This is a ignition system code. 7 HYUNDAI ELANTRA owners have reported this to NHTSA."

Q: "What are the most common causes of P0301 on HYUNDAI ELANTRA?"

"Based on 7 NHTSA reports, the most commonly cited components are: Engine, Unknown Or Other, Electrical System. These percentages are based on the component field in owner complaints."

Q: "Is P0301 a safety concern on HYUNDAI ELANTRA?"

"Of 7 NHTSA reports for P0301 on HYUNDAI ELANTRA, 1 involved a crash. Always consult a qualified mechanic for any diagnostic trouble code."

Q: "What should I do if my HYUNDAI ELANTRA shows P0301?"

"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 P0301 Means on Your HYUNDAI ELANTRA

P0301 is a diagnostic trouble code indicating: Cylinder 1 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.

7 HYUNDAI ELANTRA owners have reported this issue to NHTSA across model years 2013-2018. Most reports come from the 2017, 2018 model years. The most commonly reported component is Engine (57.1% of reports).

Real HYUNDAI ELANTRA Owner Reports

Source: NHTSA Complaints Database

"Confirmed the customer's complaint &found the engine didn't start. Inspected the ignition system & the air intake system, but found no concerns. Inspected the engine coolant level & condition & found the engine coolant level was fair."

— 2013 HYUNDAI ELANTRA owner · UNKNOWN OR OTHER · Filed 11/20/2021

"The Issue started back in December of 2023.The Engine failed while driving to Lake Worth, TX. Vehicle Information: Model is a 2017 Hyundai Elantra Limited 2.0 Engine, US Built. Mileage during the1st incident was at 100,125 miles and the VIN Number is [XXX] ."

— 2017 HYUNDAI ELANTRA owner · ENGINE · Filed 12/04/2023

"This is the second time my check engine light has come on while driving and car vibrating and shaking in the middle of heavy traffic and also idling at stop lights/signs. Why does this keep happening? The codes were registered P0301/P0302."

— 2017 HYUNDAI ELANTRA owner · ENGINE · Filed 01/18/2023

"One of the four ignition coils failed. Car started shaking originally at 60mph and continued to shake when stopped. Check engine light flashed on and off during the drive. Problem was reproduced and confirmed by the reading of the engine code (P0301 - Cylinder 1 Misfire Detected)."

— 2017 HYUNDAI ELANTRA owner · ENGINE · Filed 02/01/2022

"Sluggish, shaky and not acceleration engine light comes on intermediately. code came up p0301. changed spark plugs, sensor, inclined the catalytic converter two times. still the problem persists. took to hyundai dealership they said one of four coil packs was going out."

— 2017 HYUNDAI ELANTRA owner · ELECTRICAL SYSTEM · Filed 10/15/2020

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

📊 Complaint Trend by Model Year

1

'13

4

'17

2

'18

Common Causes on HYUNDAI ELANTRA

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 57.1%

UNKNOWN or OTHER 14.3%

ELECTRICAL SYSTEM 14.3%

ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM 14.3%

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 P0301 mean on a HYUNDAI ELANTRA? ▾

P0301 indicates: Cylinder 1 Misfire Detected. This is a ignition system code. 7 HYUNDAI ELANTRA owners have reported this to NHTSA.

What are the most common causes of P0301 on HYUNDAI ELANTRA? ▾

Based on 7 NHTSA reports, the most commonly cited components are: Engine, Unknown Or Other, Electrical System. These percentages are based on the component field in owner complaints.

Is P0301 a safety concern on HYUNDAI ELANTRA? ▾

Of 7 NHTSA reports for P0301 on HYUNDAI ELANTRA, 1 involved a crash. Always consult a qualified mechanic for any diagnostic trouble code.

What should I do if my HYUNDAI ELANTRA shows P0301? ▾

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.