P0300 on HONDA ACCORD — Random/Multiple Cylinder Misfire Detected

Q: "What does P0300 mean on a HONDA ACCORD?"

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

Q: "What are the most common causes of P0300 on HONDA ACCORD?"

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

Q: "Is P0300 serious on my HONDA ACCORD?"

"Of 11 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 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 HONDA ACCORD

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 HONDA ACCORD owners have reported this issue to NHTSA across model years 2011-2020. Most reports come from the 2018, 2014 model years. The most commonly reported component is Engine (54.5% of reports).

Real HONDA ACCORD Owner Reports

Source: NHTSA Complaints Database

"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

"Just last week my engine started making a rattling sound from the bottom of the engine. This Honda has been properly maintained at the dealership and never gave any warning signs or symptoms. Now my mechanic says its the crankshaft and bearings."

— 2014 HONDA ACCORD owner · ENGINE · Filed 08/20/2025

"My 2014 honda accord is experiencing excessive oil consumption, lack of engine power, engine stalling issues and overall unsafe drivability conditions."

— 2014 HONDA ACCORD owner · POWER TRAIN,FUEL/PROPULSION SYSTEM · Filed 05/02/2020

"I have a 2016 honda accord touring with 102k miles vin# [xxx] , on 09-03-2020 was driving south on i-295 to orange park fl with my grand daughter [xxx] and daughter [xxx] and before exit to collins rd, my vehicle check engine light came on flashing and my honda accord turn off while driving in the m"

— 2016 HONDA ACCORD owner · UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM · Filed 09/03/2020

"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

'11

2

'14

1

'16

4

'18

2

'19

1

'20

Common Causes on HONDA ACCORD

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 54.5%

POWER TRAIN,FUEL/PROPULSION SYSTEM 9.1%

UNKNOWN or OTHER,ENGINE,FUEL/PROPULSION SYSTEM 9.1%

ELECTRICAL SYSTEM,UNKNOWN or OTHER,ENGINE 9.1%

POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM 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 HONDA ACCORD? ▾

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

What are the most common causes of P0300 on HONDA ACCORD? ▾

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

Is P0300 serious on my HONDA ACCORD? ▾

Of 11 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 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.