hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
62,115 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2007 Mazda CX-9 electrical problems

electrical problem

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2007 Mazda CX-9 Owner Comments

problem #2

Mar 302014

CX-9 6-cyl

  • 124,230 miles


Traveling on interstate engine suddenly starts to stutter. Push down on the gas and there is no power. Car cannot go over 40 mph. Engine light comes on. Take car to my local mechanic. Informed that ignition coils #1,2,4 are ruined. They are replaced, 12 hours later ignition coil #2 fails again. Mechanic gives me Mazda bulletin #01-026/11 calling out issues with PCM and how PCM will cause mis-firing of ignition coils causing the coils to fail prematurely. Coil #2 when replaced was charred and split and was leaking oil. Mazda would not acknowledge problem and would not replace PCM or damaged coil caused by faulty PCM.

- Atlanta, GA, USA

problem #1

May 182008

CX-9 6-cyl

  • miles
2007 Mazda CX9 shut off while driving. Consumer states that dealer told him the problem was a fuse. Consumer also was told that the compressor for the air conditioner was not operating correctly. The dealer stated the main ignition fuse was blown.

- Laurelton, NY, USA

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