2017 Mazda CX-9

Problems, Recalls & Reliability Report

Average

Quick Summary

The 2017 Mazda CX-9 has 78 owner complaints filed with NHTSA — that's 1.0x the segment average of 80. The most common issue is engine problems (55% of all complaints), specifically: 2017 mazda cx 9 signature engine failure at 89,000 miles. july 2021 check engine light came on, this was three months prior to failure. was told it was a known computer issue and was charged over $200 to fix. november 2021 car started running hot while driving down the road. red thermostat came on .

Total Complaints

Recalls Issued

—/5

Safety Stars

1.0x

vs Segment Avg

Known Problems

ENGINE

43 complaints

55%

• 2017 Mazda CX 9 signature engine failure at 89,000 miles. July 2021 check engine light came on, this was three months prior to failure. Was told it was a known computer issue and was charged over $200 to fix. November 2021 car started running hot while driving down the road. Red thermostat came on
• Engine has serious manufacturing defects and a recall should recalled. The engine has casting issues which cause internal issues.
• What component or system failed or malfunctioned, and is it available for inspection upon request? Cylinder head has cracked and the vehicle leaked coolant and overheated while driving leading to engine failure. Vehicle is available for inspection How was your safety or the safety of others put at r

Typical onset: 50K miles Est. repair: $500

“2017 Mazda CX 9 signature engine failure at 89,000 miles. July 2021 check engine light came on, this was three months prior to failure. Was told it was a known computer issue and was charged over $200 to fix. November 2021 car started running hot while driving down the road. Red thermostat came on ”

— NHTSA complaint filing

OTHER

9 complaints

12%

• AFTER DRIVING FOR APPROXIMATELY 1 HR, WARNING MESSAGE FOR FRINT CAMERA AND AUTO BRAKE MALFUNCTION ILLUMINATED. POWER WAS DECREASED QUICKLY, NOT EVEN ENOUGH TINE TO PULL OFF THE ROAD. VEHICLE WAS DISABLED IN FAST LANE OF 4 LAND HIGHWAY. WHILE WAITING FOR TOW TRUCK, AFTER ABOUT AN HOUR THE VEHICLE RES
• Spider crack screen on the infotainment system. I got the vehicles pre-owned at Major world. When we got the vehicles there were small cracks already showing not bigger than the size of a dime but the cracks got bigger and I'm afraid that the whole screen will complete not work in time.. I just had
• The front bumper has developed cracks/splitting on both sides near the front headlights. There is a TSB (Bulletin No: 09-022/20) that shows there was a manufacturer defect, which causes this. I was told by Mazda dealer in 01/2022 this had to have occurred within the 3 yr/36k miles to be covered. The

Typical onset: 50K miles Est. repair: $500

“AFTER DRIVING FOR APPROXIMATELY 1 HR, WARNING MESSAGE FOR FRINT CAMERA AND AUTO BRAKE MALFUNCTION ILLUMINATED. POWER WAS DECREASED QUICKLY, NOT EVEN ENOUGH TINE TO PULL OFF THE ROAD. VEHICLE WAS DISABLED IN FAST LANE OF 4 LAND HIGHWAY. WHILE WAITING FOR TOW TRUCK, AFTER ABOUT AN HOUR THE VEHICLE RES”

— NHTSA complaint filing

FUEL SYSTEM

6 complaints

• Driving Eastbound on I470 Wheeling WVA going uphill toward Exit 10 Cabela Rd the car lost power and could not get off the roadway. The engine failed and the car lost power steering. Could not start the car. The car would turn over, but the engine and battery light were on. The car was sideways in
• Driving home the car said 26 miles to E. while in gear going down the road it popped engine system malfunction and the whole car shut off and wouldn't start. Didn't drive the vehicle for 2 days- filled the gas tank and it drove fine for 5 days. Day 6- 4/8/2023, fine driving down the highway 45 minut
• While driving in normal, operating conditions, the engine cut off and had to pull off to the side of the road. After checking the OBD two error code from the check engine light, there was an error with the fuel pressure rail sensor. Apparently the fuel pump in these vehicles has been failing with re

Typical onset: 50K miles Est. repair: $500

“Driving Eastbound on I470 Wheeling WVA going uphill toward Exit 10 Cabela Rd the car lost power and could not get off the roadway. The engine failed and the car lost power steering. Could not start the car. The car would turn over, but the engine and battery light were on. The car was sideways in ”

— NHTSA complaint filing

SUSPENSION

4 complaints

• HEARING A KNOCKING NOISE EVERY TIME I HIT AN UNEVEN PAVEMENT AND BUMP ON FRONT SUSPENSIONS. ALSO THERE IS A KNOCKICK SOUND COMING FROM BACK EVERYTIME I BREAK OR STARTS TO ACCELERATE FROM LONG STOP.
• EVERY TIME I STOP I HEAR A CLUNK SOUND FROM FRONT SUSPENSION AND ALSO WHEN I'M AT A DEAD STOP THEM I GO I HEAR THE CLUNK SOUND .I ALSO HERE THAT NOISE IN THE REAR SUSPENSION I'M WORRIED CAUSE I DON'T WANT SOMETHING BAD HAPPEN TO MY WIFE AND MY 8MONTH OLD DAUGHTER AND 9 YR OLD DAUGHTER WHILE I'M DEPL
• I BOUGHT A USED 2017 MAZDA CX-9 FROM WEST SHORE HONDA IN TAMPA IN JULY OF 2020. THEY SCREWED ME FINANCIALLY AND I'LL HANDLE THAT SEPARATELY. THERE HAS BEEN AN ONGOING ISSUE SINCE THE FIRST FEW DAYS AFTER BUYING THE CAR. I'VE COMPLAINED MULTIPLE TIMES VIA EMAIL AND PHONE. I'VE BEEN TRYING THE SERVICE

Typical onset: 50K miles Est. repair: $500

“HEARING A KNOCKING NOISE EVERY TIME I HIT AN UNEVEN PAVEMENT AND BUMP ON FRONT SUSPENSIONS. ALSO THERE IS A KNOCKICK SOUND COMING FROM BACK EVERYTIME I BREAK OR STARTS TO ACCELERATE FROM LONG STOP.”

— NHTSA complaint filing

TRANSMISSION

4 complaints

• I BOUGHT A USED 2017 MAZDA CX-9 FROM WEST SHORE HONDA IN TAMPA IN JULY OF 2020. THEY SCREWED ME FINANCIALLY AND I'LL HANDLE THAT SEPARATELY. THERE HAS BEEN AN ONGOING ISSUE SINCE THE FIRST FEW DAYS AFTER BUYING THE CAR. I'VE COMPLAINED MULTIPLE TIMES VIA EMAIL AND PHONE. I'VE BEEN TRYING THE SERVICE
• There was a coolant leak on my Mazda CX9 Signature with a 2.5T engine, and when driving the engine temperature started increasing slightly before taking off and turning red. I had to pull off to the side of a busy interstate road very quickly and shut the vehicle down before it overheated any more.
• Coolant leak cylinder head. It was running and i could smell coolant on the minifalda and it shout down.

Typical onset: 50K miles Est. repair: $500

“I BOUGHT A USED 2017 MAZDA CX-9 FROM WEST SHORE HONDA IN TAMPA IN JULY OF 2020. THEY SCREWED ME FINANCIALLY AND I'LL HANDLE THAT SEPARATELY. THERE HAS BEEN AN ONGOING ISSUE SINCE THE FIRST FEW DAYS AFTER BUYING THE CAR. I'VE COMPLAINED MULTIPLE TIMES VIA EMAIL AND PHONE. I'VE BEEN TRYING THE SERVICE”

— NHTSA complaint filing

Estimated Repair Costs

ENGINE(~50K mi)

$500

OTHER(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

SUSPENSION(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 78 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: 2017 Mazda CX 9 signature engine failure at 89,000 miles. July 2021 check engine light came on, this was three months prior to failure. Was told it was a known computer issue and was charged over $200 to fix. November 2021 car started running hot while driving down the road. Red thermostat came on
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: AFTER DRIVING FOR APPROXIMATELY 1 HR, WARNING MESSAGE FOR FRINT CAMERA AND AUTO BRAKE MALFUNCTION ILLUMINATED. POWER WAS DECREASED QUICKLY, NOT EVEN ENOUGH TINE TO PULL OFF THE ROAD. VEHICLE WAS DISABLED IN FAST LANE OF 4 LAND HIGHWAY. WHILE WAITING FOR TOW TRUCK, AFTER ABOUT AN HOUR THE VEHICLE RES
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: Driving Eastbound on I470 Wheeling WVA going uphill toward Exit 10 Cabela Rd the car lost power and could not get off the roadway. The engine failed and the car lost power steering. Could not start the car. The car would turn over, but the engine and battery light were on. The car was sideways in
Typically appears around 50K miles. Repair cost ~$500
☐
SUSPENSION: HEARING A KNOCKING NOISE EVERY TIME I HIT AN UNEVEN PAVEMENT AND BUMP ON FRONT SUSPENSIONS. ALSO THERE IS A KNOCKICK SOUND COMING FROM BACK EVERYTIME I BREAK OR STARTS TO ACCELERATE FROM LONG STOP.
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)