Over the summer, vehicle lit up all warning lights. Like many others was informed the system needed deep carbon cleaning. There is a tsb for this problem but Honda corporate said it is regular maintenance and warranty does not cover. I have owned the car since January. If other years are covered, why not the 20?
2020 Honda Fit engine problems
moderate 5 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
5
Recalls
0
Avg fix
$3,100
What owners are reporting 4 most recent
While driving multiple error lights came on. I took my car in and they said it was carbon build up due to "bad gas." They cleaned it and it has been working fine. However, this is an acknowledged problem with the 2018 and 2019 Honda Fit. Honda actually extended the warranty for those years to cover those repairs. My car only had 22156 miles on it. And the error I experienced is the exact error…
On June 10th 2026, my 2020 Honda Fit EX-L with approximately 20,000 miles began misfiring while idle at a light. Error codes started appearing on my dash, no check engine light. Honda of Short Pump diagnosed a cylinder 2 misfire (DTC P0302) caused by a carbon buildup on the intake valves and quoted ~$1200 for valve cleaning. This is the identical failure mode described in Honda Service Bulletin…
Vehicle had entire dash warning lights appear suddenly and had noticed a week prior a vibration/clicking when driving at higher speeds over 50mph. Took to dealer and was told vehicle has had misfires and fuel system was badly dirty and needed an immediate cleaning. Why are the 2020 Fit’s not included in the extended warrant on this as the 2018-2019’s are?
Had engine trouble with your 2020 Honda Fit?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2020 Honda Fit?
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2020/Honda/Fit.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.