There are 5 stored owner reports matching the engine leading-label group for the 2023 Toyota Corolla in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 5 of 5 matching reports.
Open the full vehicle complaint log (all categories)after fueling strong fuel smell in vehicle within 100 miles check fuel cap light came on. next day check engine light came on. made appointment at dealership . dealership performed evap smoke test which found smoke coming from top of fuel cell. installed fuel pump ring and evap hose clip. performed evap test and smoke test -passed cleared codes. got car back next day less than 50 miles later ck engine code and fuel cap and fuel odor back.
A message came out that I need to maintain the engine and take it to the concierge and they told me that it is the coolant by pass valve
I got a message that the engine needs maintenance and I should go to the dealership and have the coolant bypass valve repaired. I see there's a lawsuit against Toyota for a manufacturing defect in that component on 2019-2023 Corollas. I'd like to know if I'll get a refund.
Fuel Injector failed, causing the engine to run extremely rich, misfire, and cause severe drivability issues. Issue occurred just outside vehicle base warranty. Problem was verified and confirmed by vehicle dealership. MIL was illuminated when drivability issue and malfunction started.
Intermittently and without warning for the past few months the vehicle will at times fail to accelerate properly when pulling out in heavy traffic. The RPMs go past 5000 RPMs and the vehicle barely moves. When I let off the gas and reapply gas the vehicle will go. Vehicle also jerks and hesitates at speeds between 0 -. 30 mph. Disengaging the vehicles traction control helps to alleviate issue. Vehicle and issue will be presented to my Toyota dealer.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: May 4, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.