Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2018 Honda Odyssey owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2018 Honda Odyssey. The contact stated that while driving at 50 MPH on the highway, the vehicle went into LIMP Mode. The vehicle failed to accelerate above 40 MPH. There was an abnormal clicking sound coming from the engine. The contact restarted the vehicle. The engine, steering assist, and battery warning lights became illuminated. The low engine oil message was displayed. The contact checked the oil level, and the oil was sufficient. The vehicle was towed to an independent mechanic who determined that the long block needed to be removed and replaced. There was metal in the oil. The mechanic recommended an engine replacement. The vehicle was not repaired. The local dealer was not contacted. The contact stated that previously, while driving at undisclosed speeds, there was a misfire coming from the engine. The engine had overheated. …
The contact owns a 2018 Honda Odyssey. The contact stated while driving at approximately 68 MPH, the vehicle intermittently stalled, and there was an abnormal sound coming from the engine compartment. No warning light was illuminated. The failure occurred on several occasions. The vehicle was taken to a dealer to be diagnosed; however, the dealer was unable to determine the cause of the failure. The vehicle was not repaired, and the failure persisted. The contact was informed that the VIN was included in the NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline). The vehicle was taken to the dealer to be diagnosed and it was determined that the fuel pump needed to be replaced. The vehicle was repaired; however, the failure persisted. The vehicle was towed to the dealer again and was diagnosed and determined that the engine needed to be replaced. …
The contact owns a 2018 Honda Odyssey. The contact stated while driving 60-62 MPH, there was an abnormal sound coming from the front of the vehicle, and the vehicle lost drive power. The check engine warning light was illuminated. The contact pulled over to the side of the road. The vehicle failed to restart and was towed to Tire Choice Auto Service Centers, where it was diagnosed and determined that one of the engine banks had failed. The mechanic determined that the engine needed to be replaced with a used or brand-new engine. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling); however, the VIN was not included. The dealer was notified of the failure and informed the contact that he would receive a call back later. …
The contact's daughter owns a 2018 Honda Odyssey. The contact stated that after the vehicle was idling at a stoplight and then attempting to accelerate after the light turned green, there was a loud clanking sound coming from the front of the vehicle. The owner then became aware of white smoke coming from the engine compartment. The vehicle was coasted to the side of the road and the vehicle stalled. After the vehicle stalled, there was no smoke coming from the vehicle. The vehicle was towed to the dealer but was not diagnosed or repaired. The contact became aware that vehicles of the same year, make, and model were known to experience engine failures at approximately100,000 miles. The contact stated that the vehicle was inspected at approximately 100,000 miles and the rear main seal was replaced during the routine service and maintenance. …
The contact owns a 2018 Honda Odyssey. The contact stated that while driving 30 MPH, the vehicle lost motive power and failed to accelerate as intended. The contact stated that an abnormal sound was coming from the engine. There were no warning lights illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that the engine had failed. The vehicle was then towed to the dealer where it was diagnosed that the spun rod bearing had fractured, and the engine needed to be replaced. The vehicle was not repaired. The contact stated that on a separate occasion, while diving at 30 MPH around a bend, the Forward Collision Avoidance warning light illuminated. The vehicle was taken to the dealer and an unknown part was greased. The contact stated that the failure persisted. The manufacturer was notified of the failure. The failure mileage was approximately 92,000.
The contact owns a 2018 Honda Odyssey. The contact received notification of NHTSA Campaign Number: 23V858000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while driving at an undisclosed speed, the vehicle stalled. The contact stated that after several attempts the vehicle was able to be restarted. The contact stated that days later the vehicle stalled again and was towed to a Honda Service Center where the vehicle was diagnosed with fuel pump failure due to the fuel injectors being worn. The dealer confirmed that parts were not yet available. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 76,000. Parts distribution disconnect.
The contact owns a 2018 Honda Odyssey. The contact stated while driving approximately 35 MPH, the engine made an abnormal knocking sound. The vehicle was taken to the dealer, where it was diagnosed that the timing belt had failed and needed to be replaced. The timing belt was replaced; however, the failure persisted. The dealer determined that the connecting rod bearing in the engine needed to be replaced. The dealer informed the contact that the engine needed to be taken apart to perform the repair. The vehicle was not repaired due to the cost. The contact related the failure to NHTSA Campaign Number: 23V751000(Engine and Engine Cooling). The manufacturer was notified of the failure and informed the contact that the repair could not be covered under the recall because the VIN was not included. The failure mileage was approximately 86,470.
The contact owns a 2018 Honda Odyssey. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact stated that on one occasion the battery was replaced due to the failure. The dealer was made aware of the failure but confirmed that parts were not yet available. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 34,500. Parts distribution disconnection.
The contact owns a 2018 Honda Odyssey. The contact stated that while driving at various speeds, the message "Engine Management System Failure" was displayed on the instrument panel. In addition, the contact stated that the vehicle hesitated while depressing the accelerator pedal, with an abnormal clicking sound coming from the vehicle. The contact had taken the vehicle to an independent mechanic and was informed that there was a failure with the engine and the transmission. The dealer was then notified of the failure and the contact was informed that there were no recalls on the VIN related to the engine or the transmission. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 150,000.
The contact owns a 2018 Honda Odyssey. While driving at an undisclosed speed, there was an abnormal ticking sound coming from the vehicle. The accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. In addition, the contact became aware that there was smoke coming from the exhaust. No warning lights were illuminated. The vehicle was taken to the dealer where it was diagnosed with a loose rod bearing. The contact was informed that the engine needed to be replaced or rebuilt. The vehicle was not repaired. The contact referenced an unknown recall with a similar failure; however, the VIN was not associated with the recall. The manufacturer was not made aware of the failure. The failure mileage was approximately 172,750.
Related recalls
Engine and engine cooling › Engine › Hard parts internal/mechanical
Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and 2018-2019 Odyssey vehicles. Due to a manufacturing error, the connecting rod bearing in the engine may wear and seize, damaging the engine.
Remedy: Dealers will inspect and repair, or replace the engine as necessary, free of charge. Owner letters were mailed March 28, 2024. 2016-2017 Acura MDX owner letters were mailed November 1, 2024.
NHTSA investigations
Engine failure
On November 8, 2024, the Office of Defects Investigation (ODI) opened Recall Query RQ24013 to assess the scope of Honda recall 23V-751 after receiving complaints that alleged connecting rod bearing failures in vehicles that were not within the scope of recall 23V-751. In November 2023, Honda recalled 248,999 various Model Year (MY)2016-2020 Honda and Acura vehicles equipped with the 3.5L V6 engine.
Engine failure
The Office of Defects Investigation (ODI) has received 414 reports of connecting rod bearing failures in the 3.5L V6 engine used in the following vehicles: Model Years (MY) 2018-2020 Acura TLX, MY2016-2020 Acura MDX, MY2016-2020 Honda Pilot, MY2018-2020 Honda Odyssey, and MY2017-2019 Honda Ridgeline. The subject engine failures were analyzed as part of a Recall Query (RQ24013).
No Restart After Auto Start/Stop Engages
On June 3, 2022, the O ce of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several eld reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a tra c light or road intersection with the AIS function engaged.
Engine complaints in other Odyssey years
Frequently asked questions
How common are engine problems on the 2018 Honda Odyssey?
NHTSA has 202 complaints about the engine & cooling of the 2018 Honda Odyssey, 20% of the model year's 1,005 complaints.
Is there a recall for 2018 Honda Odyssey engine problems?
Yes — NHTSA recall 23V-751 (hard parts internal/mechanical, Nov 13, 2023). Recall repairs are free at authorized dealers.
At what mileage do 2018 Honda Odyssey engine problems start?
Half of the complaints with a recorded mileage happened before about 93,000 miles, and 17% before 25,000 miles.
Is it dangerous?
Owners linked 0 crashes, 1 fire and 2 injuries to engine & cooling problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.