2007 Mazda CX-7 Engine Problems
- Complaints
- 112about this part
- Share
- 21%of 528 total for the year
- Median mileage
- 80,000miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 112 complaints about the engine of the 2007 Mazda CX-7, 21% of the 528 complaints for this model year. Where a mileage was given, the median is 80,000 miles. 1 of these say a crash was involved and 8 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Bought my Mazda CX-7 2007 brand new. Ac broke, arm joint has be change, both roller changed more then two times. Engine is making noise. Dealer told us that it's the timing chain which is the engine now. I called Mazda for an engine and it's about $6,291 for just the engine not even included the labor. Had a very bad explerience with Mazda.”
NHTSA complaint #11004899, filed 2017-07, 160,000 miles“I have had to replacethe AC compressor pump this will be the third one. I cant afford $700.00 dollars per pump and it onlu last for 8 months. I seen all the complaint people have with this same issue. When is Mazda going to step up and help us resolve this issue. I will never buy or recommend a Mazda to anyone. Between that and the turbo they are junk and not depedable at all.”
NHTSA complaint #10811810, filed 2015-12, 115,000 miles“Driving on my way to tennessee, the car had a major power loss and screeching noise from inside the engine bay. The car was taken to the closest Mazda dealership and was told that the turbo had to be replaced due to engine sludge. The car had regular oil changes using the proper amount and oil weight. Mazda had a recall involving the turbo and they did not honor it because I was about 1000 miles over the extended warranty.”
NHTSA complaint #10593216, filed 2014-05, 76,000 miles“I drove 200 miles stopped the car to get something to eat, when I restarted it a loud whistling noise came from engine and wouldn't stop. Called roadside assistance and it was towed 2 days later because it happened on a saturday night. It took 3days for it to be fixed and I'm not sure it is running properly. I also had the timing chain replaced at 60,000 miles. I will never buy another Mazda.”
NHTSA complaint #10472478, filed 2012-08, 79,000 miles“We bought the vehicle used from a car dealership called heavy foot motors in san antonio tx. The very next day, the vehicle started smoking from the hood, exhaust, and smoke came through the air vents. My wife going about 5-10mph while making a turn in a residential neighborhood when the smoking started. We towed the vehicle to the dealership and explained what happened. Their mechanic took the vehicle and had it for three weeks. I picked the vehicle up and made it maybe 5 minutes down the road, and the vehicle did the same thing. …”
NHTSA complaint #11320474, filed 2020-04, 140,000 milesRelated 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…
- 11007019Aug 15, 2024If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by…
- 10092724Jun 24, 2016If an engine assembly is replaced after a catastrophic internal mechanical failure, clean the intake manifold internally before installing a replacement engine assembly. If the…
- 10085289Jun 24, 2016If an engine assembly is replaced after a catastrophic internal mechanical failure, clean the intake manifold internally before installing a replacement engine assembly. If the…
- 10098201Apr 15, 2014Some vehicles may exhibit a clunk noise from the engine compartment when driving over rough roads or over a speed bump. The noise may occur in areas of high ambient temperatures…
- 10061502Apr 15, 2014Summary to be provided on a future date.
Engine: other model years
Other parts of the 2007 Mazda CX-7
206 complaintsAir bags
102 complaintsSuspension
59 complaintsTransmission and drivetrain
53 complaintsEquipment
31 complaintsElectrical system
29 complaintsSteering
20 complaintsTires
19 complaintsOther or unknown
14 complaintsExterior lighting
11 complaintsFuel system
11 complaintsBody and structure
8 complaints
← All problems reported for the 2007 Mazda CX-7
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