MY HUSBAND HAD JUST LEFT OUR HOME AND LUCKILY WERE STILL IN OUR NEIGHBORHOOD WHEN OUR MAZDA CX9 STARTED TO STUTTER AND SHAKE AND BECOME UN-DRIVABLE. IT RODE VERY ROUGH. IT HAPPENED WITH ABSOLUTELY NO WARNING. WE TOOK IT TO THE LOCAL REPAIR SHOP AND WAS TOLD THAT THE CHECK ENGINE ERROR WAS P0351/PO352. THEY REPLACED THE COIL BUT THE PROBLEM PERSISTED AND WE STILL WERE UNABLE TO DRIVE THE CAR. WE TH…
2007 mazda CX-9 powertrain problems
moderate 9 complaints filed with NHTSA · avg repair $2,500
What owners are reporting 2 most recent
I HAVE ONLY HAD THIS CAR FOR ONE YEAR. I BOUGHT IT USED AND HAVE HAD THE "SAME" PROBLEM NOW "3" TIMES AND SINCE I HAVE NOT HAD IT FIXED AT A "MAZDA" DEALERSHIP BECAUSE I AM SORRY I DO NOT HAVE THE $$$ FOR THIS AND I BROUGHT IT TO MY OWN MECHANIC, MAZDA WILL NOT STAND BY THIS. THE IGNITION COILS HAVE ALL BEEN REPLACED NOW AS WELL AS THE PCM AND NOW I AM TOLD IT NEEDS THE PCM TO BE REPLACED AGAIN.…
Common questions
How serious is the powertrain problem on the 2007 mazda CX-9?
It's a documented issue but not catastrophic. 9 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.