2011 Mazda CX-9 Engine Problems
NHTSA lists 18 engine complaints for the 2011 Mazda CX-9, 11% of its 170 total complaints for the year. Median mileage at failure was 81,000 miles. There are no related recalls tied to this engine complaint data.
- Engine complaints
- 18
- 11% of 170
- Crashes reported
- 1
- Fires reported
- 2
- Injuries reported
- 0
- Median mileage
- 81,000 mi
- Related recalls
- 0
Typical engine symptoms owners report
- Owners report engine fires starting near the front of the vehicle or underneath it while driving at highway or moderate speeds, in some cases with no dashboard warning before flames appeared.
- Some describe the engine stalling or failing to accelerate at a stop, with warning indicators flashing right before the stall.
- Several owners report power transfer unit (PTU) or transfer case failures, sometimes showing up as a dark oily leak under the engine, with one case noting ground-down transfer case components and transmission rust.
- Owners describe undetected water pump leaks that cause the engine to overheat and eventually fail, with the check engine light coming on as the car halts.
- A few report sudden surging or lurching motion even when the gas pedal was not engaged, tied to an accompanying oil leak.
When 2011 Mazda CX-9 engine complaints were filed
First complaint Nov 17, 2014, latest Aug 1, 2025.
Engine recalls for the 2011 Mazda CX-9
No safety recalls on record for this model year.
Engine complaints by CX-9 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How common are engine problems in the 2011 Mazda CX-9?
- NHTSA lists 18 engine complaints for the 2011 CX-9, which is 11% of the 170 total complaints filed for that model year.
- At what mileage do 2011 CX-9 engine problems usually happen?
- The median mileage at failure reported to NHTSA for this engine complaint group is 81,000 miles.
- Is there a recall for the 2011 Mazda CX-9 engine?
- No related recalls are listed in NHTSA data for this engine complaint category on the 2011 CX-9.
- What specific engine failures do owners report?
- Owners report engine fires, stalling at stops, power transfer unit or transfer case failures, water pump leaks causing overheating, and unexplained surging tied to oil leaks.