2007 Mazda CX-7 Power Train Problems

Source: NHTSA · Updated Mar 29, 2026 · 53 complaints analyzed

Owners have filed 53 complaints with NHTSA about power train problems on the 2007 Mazda CX-7, 10% of all complaints for this model year. Half of the reports with a mileage happened before 63,500 miles. The words owners use most often: “timing chain” (53% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Timing chain: mentioned in 28 of 53 complaints (53%)
  • Variable valve: mentioned in 7 of 53 complaints (13%)
  • Oil changes: mentioned in 5 of 53 complaints (9%)

At what mileage do power train problems happen?

Based on 48 complaints that reported the odometer reading.

Under 10k miles2 · 4%
10k–25k miles1 · 2%
25k–50k miles14 · 29%
50k–75k miles18 · 38%
75k–100k miles9 · 19%
100k–150k miles4 · 8%
150k+ miles0 · 0%

How serious are the reports?

Of 53 complaints, 1 a fire, 1 an injury.

Mazda CX-7 power train complaints by model year

Peak: 2007, with 53 complaints
2007: 532007532008: 142008142009: 3200932010: 6201062011: 7201172012: 120121

n = 84 complaints · Source: NHTSA

Model yearPower Train complaintsShare of that yearMedian miles
2012 CX-713%14,000
2011 CX-775%64,262
2010 CX-764%55,000
2009 CX-735%57,007
2008 CX-7147%79,000
2007 CX-75310%63,500

When owners reported it

Peak: 2010, with 15 complaints
2006: 1200612008: 1200812009: 1200912010: 152010152011: 112011112012: 132012132013: 4201342014: 4201442015: 1201512016: 220162

n = 53 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists power train for the 2007 Mazda CX-7. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

December 2015 i had my car towed to a mazda dealership (aaa service said to do so because of the noise and fear the vvt would break while in motion) to replace the vvt (timing chain) and valve cover gaskets - paying out of pocket. As of today, 2/12/16, the same noise, but louder, still occurs when…

Received Feb 12, 2016 · NHTSA complaint 10825878

While driving on colorado state highway 91 at approx 55 mph, the vehicle suddenly died. The engine ceased working, all systems ceased immediately. I was unable even to safely pull the car onto the shoulder, the loss of power was so complete and so sudden. The vehicle was 200 miles from my home, and…

Received Jan 8, 2016 · NHTSA complaint 10818938

I bought this car in february 2013 and two times since then i have had to replace the timing chain, thankfully my husband and i bought the extended warranty, but i have a feeling that it will do it again before i even pay my car off. Just a month ago i had to take my car in because my engine light…

Received May 22, 2015 · NHTSA complaint 10721035
Mazda CX-7
2006–2009 Mazda CX-7 (ER) Classic wagon. Photographed in Cronulla, New South Wales , Australia.. Representative photo; appearance varies by model year. Photo: OSX, Public domain, via Wikimedia Commons.

Frequently asked questions

Do all 2007 Mazda CX-7s have power train problems?

No. NHTSA has 53 owner complaints about power train for the 2007 Mazda CX-7 (10% of the 528 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2007 Mazda CX-7 power train?

No recall currently lists power train for this vehicle.

At what mileage do power train problems start?

The median reported mileage is 63,500 miles: half of the reports with a mileage came before that.

What do owners say about power train problems on the 2007 Mazda CX-7?

The most frequent phrase is “timing chain”, in 28 of 53 complaints, followed by “variable valve” (7).

Other 2007 Mazda CX-7 problems

See all 2007 Mazda CX-7 problems.