2011 Mazda CX-7 Fuel system Problems
- Complaints
- 3about this part
- Share
- 2%of 154 total for the year
- Median mileage
- 33,718miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2011 Mazda CX-7, 2% of the 154 complaints for this model year. Where a mileage was given, the median is 33,718 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving at a normal rate of speed on a fairly busy street when the car just suddenly decelerated, causing the car behind me to swerve to narrowly avoid me. Thankfully he also avoided hitting anyone else. My car continued to move forward, but with no ability to accelerate. I managed to get clear of traffic and was able to get the car to a repair place nearby. I was told that the entire throttle body was bad, and that it would have to be replaced. The car is a 2011, less than 60k miles on it with regular oil changes and has never had any issues until this. …”
NHTSA complaint #10749260, filed 2015-08, 57,935 miles“From the day I purchased my cx7 the brakes were not working properly and the air conditioner made loud banging noises and does not get cold. When I was at my wits end and took cx7 to dealer at 9,600 miles Mazda said I had a bad master cylinder and replaced it. When the master cylinder was replaced my check engine light came on. Mazda ordered another master cylinder and a brake booster. When these were replaced my check engine light came on again. Mazda said my engine was running on a lean mixture and corrected this. The check engine light is off cx7 runs very roughly. …”
NHTSA complaint #10515280, filed 2013-06, 9,500 miles“On-going issues with gas pump shutting off at pump. Took car to get it check. Back and forth with dealer to fine issue for over several months period. Engine warning light came on twice. Customer request dealer to check fuel systems. Gas leak discovered, along with clogged fuel vapor lines. Spider webs near fuel lines. Customer suspect fuel system defect. Dealer suggest fuel system replacement. Since out of warranty, customer reach out to manufacturer.”
NHTSA complaint #11190501, filed 2019-03Related service bulletins
- 10202695Oct 13, 2021Ethanol is becoming a common additive in gasoline. Gasoline containing ethanol is likely available at your local gasoline station. Typical blends of ethanol include E10 and E85…
- 10154879Mar 20, 2019In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS…
Fuel system: other model years
Other parts of the 2011 Mazda CX-7
51 complaintsAir bags
42 complaintsExterior lighting
38 complaintsSteering
16 complaintsTransmission and drivetrain
8 complaintsElectrical system
7 complaintsOther or unknown
7 complaintsVisibility (wipers, defrost, mirrors)
6 complaintsBrakes
5 complaintsEngine
5 complaintsBody and structure
3 complaintsVehicle speed control
3 complaints
← All problems reported for the 2011 Mazda CX-7
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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