P0304 on HONDA PILOT
What P0304 Means on Your HONDA PILOT
Real HONDA PILOT Owner Reports (Source: NHTSA Complaints Database)
"P0301 through p0304 honda engine misfire settlement honda manipulate the dealer to make false allegations and the vehicle they refuse to repair it. i wish to have the truth come to light how they refuse to service and take accountability to repair the vehicle."
"MIL comes on with DTCsP0301 through P0304 Car is available for inspection. Dealer confirmed along with independent service center."
"While driving vehicle obd shows code p0304. vehicle had poor acceleration while misfiring. took vehicle into honda dealership and they state a re-ring of four cylinders needed."
"The car has engine check light and traction lights are on. mechanic diagnosed the codes to match a recall which my vin is excluded even thought i am facing the same exact issue. piston misfiring and the engine can lock at any time causing an accident."
"My 2014 Honda Pilot has intermittent engine misfires (DTCs P0301–P0304) caused by piston ring failure. The defect leads to rough running, sudden loss of power, and unsafe driving conditions."
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 PILOT
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.