2019 Mazda CX-9 Engine Problems
- Complaints
- 23about this part
- Share
- 43%of 53 total for the year
- Median mileage
- 43,878miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 23 complaints about the engine of the 2019 Mazda CX-9, 43% of the 53 complaints for this model year. Where a mileage was given, the median is 43,878 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The car has only 41k miles on it and the engine warning light came on. I had the car towed to Mazda and now it won’t start and it needs a new engine. (Which is on back order for months). It is covered under the powertrain warranty but does me no good if I’m without a vehicle, and making car payments on a vehicle that isn’t running.”
NHTSA complaint #11561805, filed 2023-12“Mazda has an open TSB Technical Service Bulletin for this and many other Mazda's with the same engine- TSB-Collant Leaks at Cylinder Heads, Bulletin # - 01-013/21 issued 10/15/21 (CRACKED CYLINDER HEADS) My 2019 Mazda is right here on the list: Mazda Dealer claims I have to replace the engine at a cost estimated at $12,000 us dollars no offer or solution to repair the cylinder head which is upward of $5,000.00 us dollars. cars under there warranty are covered. …”
NHTSA complaint #11564776, filed 2024-01“While driving on highway I get a message on my dashboard High Engine Temperature/Engine Output may be limited warning message. I pullover and see that the cooland is low. I wait for thee car to cool down and fill with coolant. After 5 minutes of driving, get the same message on dash. I had car towed to Martin Mazda in Delaware. Diagnosis is that I need a new EGR valve and new engine $13,000. How coincidental it has the same symptoms as described in TSB and manifests itself differently and not covered? …”
NHTSA complaint #11670073, filed 2025-06“The engine is leaking coolant i will be putting a 3rd motor in this car due to other 2 motor also have a coolant leaking and running hot i have contact mazda and would not stand behind there car”
NHTSA complaint #11541917, filed 2023-08“On the last week of May, my car started experiencing sputtering and stalling out problems. I made an appointment at Mazda dealership for june 6th.meantime my husband checked all fluids and coolant was low so we topped up. Car was being driven very limited due to safety concerns. Then While driving on the freeway my car displayed a “excessive engine temperature, engine output will be limited” immediately my car reduced speed from about 65mph to under 15 mph while having my whole family including myself and 4 children in the car. …”
NHTSA complaint #11526241, filed 2023-06Related service bulletins
- 11034447Jun 19, 2026This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-061/25 12/17/25 DESCRIPTION If you encounter any type of electrical concern (e.g…
- 11032103Apr 21, 2026This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory…
- 11032101Apr 16, 2026This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-002/19 09/30/19 and 12/19/19 DESCRIPTION If an engine assembly is…
- 11030636Mar 11, 2026This Service Alert supersedes the previously issued SA(s) and TSB(s) listed below: The changes are noted in Red. SA-035/24 05/31/24 DESCRIPTION There is a concern that some water…
- 11026351Nov 6, 2025Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle is parked. For this concern, inspect the vehicle for any trace of a…
- 11020034Jun 21, 2025Mazda Motor Corporation has decided to conduct a Customer Service Program (CSP11) to extend the limited powertrain warranty to 10 years or 120,000 miles, whichever occurs first…
- 11012343Dec 24, 2024Dear Mazda Owner: You are receiving this notice because Mazda’s records indicate that your 2019-2020 CX-5, 2016-2020 CX-9, or 2018-2020 Mazda6 vehicle was equipped with a…
- 11011134Nov 28, 2024Some vehicles may have coolant leaks at the cylinder head around the exhaust manifold (as shown below). There may be cracks at the stud bolt hole (1) or at the outside of the…
- 11011341Nov 18, 2024CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a…
- 11011338Nov 18, 2024CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 21 | 53% |
| 2020 | 5 | 26% |
| 2019 | 23 | 43% |
| 2018 | 76 | 59% |
| 2017 | 43 | 70% |
| 2016 | 68 | 64% |
| 2015 | 17 | 49% |
| 2014 | 19 | 35% |
| 2013 | 17 | 25% |
| 2012 | 25 | 11% |
| 2011 | 15 | 9% |
| 2010 | 23 | 12% |
| 2009 | 4 | 7% |
| 2008 | 6 | 3% |
| 2007 | 3 | 3% |
Other parts of the 2019 Mazda CX-9
14 complaintsElectrical system
7 complaintsTransmission and drivetrain
5 complaintsSuspension
4 complaintsBack-over prevention (rear camera)
3 complaintsBody and structure
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsBrakes
2 complaintsForward collision avoidance
2 complaintsFuel system
2 complaintsSteering
2 complaintsSeats
1 complaints
← All problems reported for the 2019 Mazda CX-9
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology