2018 Honda Fit engine problems
22 owner complaints filed with NHTSA name the engine on the 2018 Honda Fit — 19% of all complaints for this model year.
What owners report
“Purchased great condition used 2018 Fit EX on [XXX] from local non-Honda dealership. The next day, on [XXX], the following errors appeared on the dash: tire pressure monitor system, emissions, hill start assist, lane deviation warning, power steering, and vehicle stability assist errors on the…”
filed Jun 25, 2026
“This is after the recall on 2018-19 Fit Carbon Buildup with Misfire DTCs under codes P0300-P0304) and after fuel injectors are replaced. Current problem is with combination of carbon deposits on intake valves. Failing fuel injector/s causing an incorrect air/fuel ratio with code under P0172.”
filed Sep 25, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold] stored. To…
ATI&05032024905 · Other · issued May 3, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold] stored. To…
ATI&04152024902 · Service Bulletin/Repair Instructions · issued Apr 15, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold] stored. To…
ATI&03282024902 · Service Bulletin/Repair Instructions · issued Mar 28, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 (Catalyst System Efficiency Below Threshold) stored. To…
ATI&02152024905 · Service Bulletin/Repair Instructions · issued Feb 15, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2018 Fits with customer complaint of Check Engine Light (CEL) on with DTC P0420 (Catalyst System Efficiency Below Threshold) stored. To…
ATI&02012024904 · Service Bulletin/Repair Instructions · issued Feb 1, 2024
Engine problems in other Fit years
| Year | Reports | Share |
|---|---|---|
| 2020 Fit | 6 | 17% |
| 2019 Fit | 16 | 12% |
| 2017 Fit | 11 | 26% |
| 2016 Fit | 11 | 9% |
| 2015 Fit | 40 | 14% |
| 2013 Fit | 14 | 8% |
| 2012 Fit | 12 | 11% |
| 2011 Fit | 7 | 6% |
| 2010 Fit | 5 | 3% |
| 2009 Fit | 13 | 5% |
| 2008 Fit | 23 | 11% |
| 2007 Fit | 17 | 5% |
Other reported problem areas on the 2018 Honda Fit
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.