P0301 on HONDA ACCORD — Cylinder 1 Misfire Detected

Q: "What does P0301 mean on a HONDA ACCORD?"

"P0301 indicates: Cylinder 1 Misfire Detected. This is a ignition system code. 14 HONDA ACCORD owners have reported this to NHTSA."

Q: "What are the most common causes of P0301 on HONDA ACCORD?"

"Based on 14 NHTSA reports, the most commonly cited components are: Engine, Electrical System,Engine,Fuel/Propulsion System, Electrical System,Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0301 serious on my HONDA ACCORD?"

"Of 14 NHTSA reports for this code on HONDA ACCORD, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my HONDA ACCORD 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 HONDA ACCORD

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.

14 HONDA ACCORD owners have reported this issue to NHTSA across model years 2008-2022. Most reports come from the 2018, 2020 model years.

Real HONDA ACCORD Owner Reports

Source: NHTSA Complaints Database

"In 2008, i purchase a new honda accord v6 paid with financing $25,000. i purchase a brand new vehicle to not have to be bothered with someone else problems. when my car reached 100 thousand miles in the winter, i heard a loud knocking sound under the hood and i was loosing a lot of oil."

— 2008 HONDA ACCORD owner · POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM · Filed 04/03/2019

"On 4/5/19, my wife's honda pilot ex experienced severe engine problems on the road in fairview tn resulting in an inability to accelerate, hesitation when the gas pedal was depressed, and a flashing 'check engine' light."

— 2011 HONDA ACCORD owner · ENGINE · Filed 04/05/2019

"I own a 2018 Honda Accord Sport. About 2–3 months ago, the car began having repeated engine misfires (P0301), hesitation, and stalling while driving."

— 2018 HONDA ACCORD owner · ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM · Filed 07/01/2025

"My car is having the same issue as the new recall on the 2023-2025 Honda Pilot sport utility vehicles (SUVs), 2022-2025 Acura MDX Type-S SUVs and 2021-2025 with the power loss and my car is stalling. Sometimes when I turn my car on, put it in drive, impress my gas pedal it will not go."

— 2018 HONDA ACCORD owner · ELECTRICAL SYSTEM,ENGINE · Filed 03/01/2024

"3 days and 26 miles after picking up my car following the repair for the issue reported in NHTSA issue #11614854, my car again displayed a bunch of various errors on the dashboard and threw P0300, P0301, and P0304 codes via OBDII."

— 2018 HONDA ACCORD owner · ENGINE · Filed 09/13/2024

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

📊 Complaint Trend by Model Year

1

'08

1

'11

7

'18

1

'19

2

'20

2

'22

Common Causes on HONDA ACCORD

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 21.4%

ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM 14.3%

ELECTRICAL SYSTEM,ENGINE 14.3%

FUEL/PROPULSION SYSTEM 14.3%

POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM 7.1%

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 P0301 mean on a HONDA ACCORD? ▾

P0301 indicates: Cylinder 1 Misfire Detected. This is a ignition system code. 14 HONDA ACCORD owners have reported this to NHTSA.

What are the most common causes of P0301 on HONDA ACCORD? ▾

Based on 14 NHTSA reports, the most commonly cited components are: Engine, Electrical System,Engine,Fuel/Propulsion System, Electrical System,Engine. These percentages are based on the component field in owner complaints.

Is P0301 serious on my HONDA ACCORD? ▾

Of 14 NHTSA reports for this code on HONDA ACCORD, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my HONDA ACCORD 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.