P0420 on HONDA FIT
What P0420 Means on Your HONDA FIT
Real HONDA FIT Owner Reports (Source: NHTSA Complaints Database)
"Driving honda fit with approximately 65,000 miles. no prior issues with regular maintenance being done on it. all dashboard warning lights (check engine, tps, traction control sensor and steering wheel with exclamation mark) went on in the vehicle while driving on a city street to work."
"P0420 code on a 2017 Honda Fit. The vehicle only has 46,000 miles on it. It’s too early for me replace my catalytic converter. I know previous fit has the same problems but Honda said it was fixed. It’s too expensive to go to the dealership to get it diagnosed properly to look for the problem."
"My car started having issues with sputtering when accelerating. The check engine light came on and is throwing a P0420 code as well as a P219a code. These codes paired together appear to be related to faulty fuel injectors."
"P0420. Per Honda problem was fuel injector. 88000 miles. Seems too early to fail."
"At 74k miles my check engine light came on randomly. Took the car to a mechanic, who turned the light off and advised me to tighten the gas cap. A few weeks later the check engine light came back on. Auto zone said a spark plug needed replacement."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0420 on HONDA FIT
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.