2018 Mazda CX-3 Fuel system Problems
- Complaints
- 1about this part
- Share
- 10%of 10 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2018 Mazda CX-3, 10% of the 10 complaints for this model year.
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.
“Fuel injector failed without warning. A lot of fuel leaked into the engine destroying a spark plug in one cylinder and ultimately ruining the catalytic converter when fuel got into it. Independent mechanic and Mazda dealership diagnosed. Car cannot be driven.”
NHTSA complaint #11736705, filed 2026-05Related service bulletins
- 11032019Apr 11, 2026This Service Alert supersedes the previously issued M-Tip(s) listed below. The changes are noted in Red text. MT-003/22 03/02/22 DESCRIPTION Some customers may complain about a…
- 11011341Nov 18, 2024CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a…
- 11011338Nov 18, 2024CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a…
- 11011336Nov 18, 2024CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a…
- 11011331Nov 12, 2024CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a…
- 11011345Nov 8, 2024CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a…
- 11011326Nov 8, 2024CUSTOMER SERVICE PROGRAM CSP12 - DENSO LOW-PRESSURE FUEL PUMP CUSTOMER SERVICE PROGRAM WARRANTY EXTENSION: Attention ALL Mazda Dealers: This is a Warranty Extension and not a…
- 10209728Mar 2, 2022Some customers may complain about a tapping or knocking noise coming from the rear seat after fuel fill. The concern will likely occur if the fuel tank is overfilled (more fuel…
- 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…
Fuel system: other model years
Other parts of the 2018 Mazda CX-3
2 complaintsElectrical system
2 complaintsEngine
2 complaintsBrakes
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsLane departure
1 complaintsOther or unknown
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaintsWheels
1 complaints
← All problems reported for the 2018 Mazda CX-3
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