P0304 on HONDA CR-V
What P0304 Means on Your HONDA CR-V
Real HONDA CR-V Owner Reports (Source: NHTSA Complaints Database)
"On startup all safety warning lights flashed on and disabled all safety driving aids. This persisted and took to Honda dealer. Their diagnostics revealed faulty fuel injectors with code P0304 failed number 4 cylinder. Recommend replacing fuel injector go for $2000."
"The vehicle experienced multiple system failures, indicated by error messages in 11 different systems, including the check engine light."
"I own a 2017 Honda CRV EX AWD. While driving downhill on a mountain road on Dec. 9, 2023, all of my dashboard warning lights and alarms began flashing and sounding off. Some of the warnings cycled through one after another while others were simultaneous."
"When I was driving on highway when moving from Texas to Indiana, about 11 warning lights were suddenly on."
"Fuel injector for Cylinder 3 failed. This has been a 6 month issue starting with simple cold start issue misfire with cylinder 3 (didn't know this was the issue then)."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0304 on HONDA CR-V
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
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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.
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3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.