P0303 on HONDA CR-V — Cylinder 3 Misfire Detected

Q: "What does P0303 mean on a HONDA CR-V?"

"P0303 indicates: Cylinder 3 Misfire Detected. This is a ignition system code. 14 HONDA CR-V owners have reported this to NHTSA."

Q: "What are the most common causes of P0303 on HONDA CR-V?"

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

Q: "Is P0303 serious on my HONDA CR-V?"

"Of 14 NHTSA reports for this code on HONDA CR-V, 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 CR-V shows P0303?"

"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 P0303 Means on Your HONDA CR-V

P0303 is a diagnostic trouble code indicating: Cylinder 3 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 CR-V owners have reported this issue to NHTSA across model years 2017-2022. Most reports come from the 2017, 2018 model years.

Real HONDA CR-V Owner Reports

Source: NHTSA Complaints Database

"All lights on dash coming on. Codes p0172 and p0303 pop up on obd scanner. Mafs , spark plugs, ignition coils and air filters all replaced. Car goes into limp mode. 124,800 miles. Dealer says fuel injectors failed and needs replacing, research shows this is a common issue for the."

— 2017 HONDA CR-V owner · FUEL/PROPULSION SYSTEM · Filed 08/08/2025

"In June 2024 the first warning that appeared was an emissions warnings. The vehicle seemed to be running fine despite the warning. After the warning was cleared, the vehicle continued to run well."

— 2017 HONDA CR-V owner · FUEL/PROPULSION SYSTEM · Filed 08/02/2024

"The vehicle experienced multiple system failures, indicated by error messages in 11 different systems, including the check engine light."

— 2017 HONDA CR-V owner · FUEL/PROPULSION SYSTEM · Filed 07/28/2024

"All of my warning lights are on. The above checklist only lets me pick 3 items total but every warning light is on."

— 2017 HONDA CR-V owner · ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM,FORWARD COLLISION AVOIDANCE · Filed 03/15/2024

"My 16 year old son was driving the vehicle when all of the lights on the dashboard started flashing and alarms started sounding. As a new driver he found this really alarming and didn't know what to do."

— 2017 HONDA CR-V owner · FUEL/PROPULSION SYSTEM,FORWARD COLLISION AVOIDANCE · Filed 09/02/2023

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

📊 Complaint Trend by Model Year

7

'17

6

'18

1

'22

Common Causes on HONDA CR-V

Based on NHTSA complaint component analysis for this vehicle.

FUEL/PROPULSION SYSTEM 28.6%

ENGINE 28.6%

FUEL/PROPULSION SYSTEM,FORWARD COLLISION AVOIDANCE 21.4%

POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM 14.3%

ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM,FORWARD COLLISION AVOIDANCE 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 P0303 mean on a HONDA CR-V? ▾

P0303 indicates: Cylinder 3 Misfire Detected. This is a ignition system code. 14 HONDA CR-V owners have reported this to NHTSA.

What are the most common causes of P0303 on HONDA CR-V? ▾

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

Is P0303 serious on my HONDA CR-V? ▾

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

What should I do if my HONDA CR-V shows P0303? ▾

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.