P0303 on HONDA ODYSSEY
What P0303 Means on Your HONDA ODYSSEY
Real HONDA ODYSSEY Owner Reports (Source: NHTSA Complaints Database)
"On may 12, 2012, i was driving about 50 mph when the van started to sputter. i came to a red light and the car acted as if it were about to cut off. the check engine light started blinking along with the vsa light."
"The contact owns a 2013 Honda Odyssey. The contact stated that while driving 60 MPH at nighttime, the check engine warning light illuminated. The contact pulled into a parking lot and turned off the vehicle."
"Vehicle diagnosed with Code P0303 on 8/18/25. Per the dealer (Big Star Honda, Houston TX), "...Examination found the number three cylinder piston rings on cylinder #3 rotated and aligned, which caused spark plug to foul out."
"I’m reporting a repeat engine misfire on my 2013 Honda Odyssey (P0303 – cylinder 3). Honda repaired this issue in 2018 under Service Bulletin 13-081, which followed the Soto v. Honda settlement. Now in 2025, the exact same failure has returned—same code, same cylinder, same symptoms."
"Honda Odessey 2013Driving down a highway at 55mph when we heard a loud backfire. Engine light came on, car shook violently. We immediately pulled into a gas station where a mechanic was present. Mechanic scanned for codes and codes p0302 and P0303 came up."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0303 on HONDA ODYSSEY
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.