2019 Honda Accord engine problems

180 owner complaints filed with NHTSA name the engine on the 2019 Honda Accord — 26% of all complaints for this model year.

180

Engine complaints

26%

share of all complaints

72,281 mi

median reported incident mileage

3 / 2

crash / fire reports

What owners report

“The vehicle keeps going into limp mode and misfire on cylinder 2 and 3 and all dashboard lights are coming on. I had my spark plugs changed and my coils”
filed Sep 11, 2026
“The engine continues to overheat and shut down while driving. The engine often goes into "limp" mode while driving. The entire set of gauges and lights on the dashboard light up like a Christmas tree, alerting me that all systems in the car are malfunctioning. I fear that I may have a…”
filed Sep 10, 2026
“Car shit down on me. Ran OBD report and threw a misfire cylinder 4 P0304. Head gasket has to be replaced.”
filed Sep 14, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Dealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
AEBM08262026901 · Other · issued Aug 26, 2026
Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
A26-004 · Service Bulletin/Repair Instructions · issued Aug 26, 2026
Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
A26-003 · Service Bulletin/Repair Instructions · issued Aug 26, 2026