I would like to report a known issue with the Honda Accord Sport 1.5t. My head gasket went out Aug. 2024 with about 100,000 miles on the dashboard. The cost to change it was about 4100. My Turbo Charger is now out Dec. 2025, and they are quoting me about 2100 before taxes. The dealership did advise that there is a known issue with the head gasket going out prematurely due to a default with the eng…
2020 honda Accord engine problems
moderate 31 complaints filed with NHTSA · avg repair $3,100
Complaints
31
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 4 most recent
DRIVING ON THE FREEWAY AND THE CAR STARTED TO LOSE POWER AND DE-CELLERATE, EVENTUALLY STOPPING. AFTER LEAVING IT OVERNIGHT, I RETURNED AND THE CAR STARTED. I SLOWLY DROVE IT TO A DEALERSHIP WITHIN 3 MILES. THE DEALER SAID THEY COULD NOT REPLICATE THE ISSUE. THEY DID FIND A "LABOR DIAG FOUND IN HISTORY CODE P0304" .
Nothing happened, I just want to know if my engine is a 1.5 or 2.0
I had just left my job in Albany and was headed to the Latham area, while merging into traffic on I-90 West my 2020 Honda Accord EX-L started to rattle and slow down, numerous lights illuminated simultaneously on my dashboard. I immediately pulled off the north shoulder and restarted my vehicle to no avail, the dashboard lights were still lit and my vehicles speed and steering were compromised. M…
Common questions
How serious is the engine problem on the 2020 honda Accord?
It's a documented issue but not catastrophic. 31 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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. 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.
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