2019 Honda Accord: Blown head gasket
Common wear/failure (not a recall)
Symptoms
Owners of the 2019 Accord report: blown head gasket. CarComplaints.com lists 7 owner complaints, average mileage 95,700 miles.
NHTSA has 220 owner complaints for the 2019 Accord in this area. Examples:
- NHTSA complaint ODI #11770836 (filed 10/13/2026): “Air conditioning failure: the a/c was blowing warm air on the first day of ownership. • cooling system failure: the vehicle subsequently experienced overheating issues and left me stranded. • coolant loss and radiator leak: all star honda identified a leakin…”
- NHTSA complaint ODI #11766835 (filed 09/25/2026): “The head gasket failure on the 2019 honda accord 1.5l resulted in loss of power while the vehicle was being driven, the vehicle could no longer accelerate normally or maintain power when needed. we had trouble accelerating to clear intersection making it extre…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: recall needed (7 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $4,280 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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