2024 Mazda CX-90 engine problems
50 owner complaints filed with NHTSA name the engine on the 2024 Mazda CX-90 — 15% of all complaints for this model year.
What owners report
“Vehicle has 43,000 miles and the radiator has failed. Engine light goes off and on about high engine temperature and limits acceleration. Lost acceleration on freeway and was forced to get off on the freeway shoulder. The temperature gauge jumps from normal to high. Engine was extremely hot and…”
filed Sep 7, 2026
“My vehicle experienced a total, premature radiator failure at 43,500 miles, after the manufacturer's factory warranty expired. The vehicle began leaking engine coolant rapidly. This creates a severe safety hazard, as a sudden loss of coolant leads to immediate engine overheating, potential engine…”
filed Aug 24, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Powertrain control module (PCM) and engine control modules (ECM) software may cause…Campaign 24V815000 · Oct 31, 2024
Related service bulletins
This Service Alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA-038/26 06/15/26 DESCRIPTION Some customers may complain about any of the following: 1. Infotainment…
SA-038-26a · Service Bulletin/Repair Instructions · issued Sep 4, 2026This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-001/25 10/16/25, 05/15/25, 04/17/25 and 01/09/25 DESCRIPTION This Service Information is no longer valid and has…
SA-058-26 · Service Bulletin/Repair Instructions · issued Aug 26, 2026
Other reported problem areas on the 2024 Mazda CX-90
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.