2024 Mazda CX-90 Engine Problems
NHTSA component category: ENGINE · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How engine ranks on this vehicle
Share of the 307 complaints citing each category; one complaint can cite several. Full breakdown on the 2024 Mazda CX-90 overview page.
What owners report
“The wires under the hood were chewed up by rodents. The cars wires are insulated with a soy based wiring coating. My car is at…”NHTSA complaint 11643864 — filed 02/20/2025
“While driving (less than 2000 miles on the OD) in our 2024 cx90 SE the vehicle started to shift out of timing and everything shut…”NHTSA complaint 11629131 — filed 12/05/2024
“The contact owned a 2024 Mazda CX-90. The contact stated while driving 40 MPH, the engine seized. The contact stated that the failure occurred while…”NHTSA complaint 11628783 — filed 12/04/2024
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Engine complaints by year filed
Frequently asked questions
Does the 2024 Mazda CX-90 have engine problems?
Engine is the #2 most-reported problem area on the 2024 Mazda CX-90: 45 of 307 complaints on file (14.7%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2024 Mazda CX-90 have in total?
307 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 8 involved a crash, 1 involved a fire, 9 reported injuries, and none reported deaths.
What does NHTSA's engine category include?
NHTSA assigns each complaint to standard component categories; this page reports the ENGINE category exactly as NHTSA defines and records it.