2020 Acura MDX engine and engine cooling problems
16 owner complaints filed with NHTSA name the engine and engine cooling on the 2020 Acura MDX — 8% of all complaints for this model year.
What owners report
“The contact owns a 2020 Acura MDX. The contact stated that while driving approximately 20 - 25 MPH, there was an abnormal knocking sound coming from the passenger’s side of the vehicle. The contact stated that the check engine warning light and other unknown warning lights were illuminated. The…”
filed Jun 26, 2026
“The contact owns a 2020 Acura MDX. The contact stated that while driving 55 MPH, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The vehicle shook abnormally with the check engine warning light illuminated. Additionally, there was an abnormal sound coming…”
filed Mar 16, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Due to a manufacturing error, the connecting rod bearing in the engine may wear and…Campaign 23V751000 · Nov 13, 2023
Related service bulletins
Service Bulletin - The MIL comes on during vehicle operation due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441…
B23-035 · Service Bulletin/Repair Instructions · issued Jan 10, 2024
Engine and Engine Cooling problems in other MDX years
| Year | Reports | Share |
|---|---|---|
| 2019 MDX | 30 | 16% |
| 2018 MDX | 18 | 11% |
| 2017 MDX | 18 | 7% |
| 2016 MDX | 9 | 2% |
| 2013 MDX | 1 | 3% |
| 2012 MDX | 2 | 3% |
| 2011 MDX | 1 | 1% |
| 2009 MDX | 3 | 6% |
| 2008 MDX | 2 | 4% |
| 2007 MDX | 4 | 4% |
| 2006 MDX | 2 | 2% |
| 2005 MDX | 9 | 5% |
Other reported problem areas on the 2020 Acura MDX
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.