2020 Mazda CX-30 Fuel system Problems
- Complaints
- 5about this part
- Share
- 15%of 34 total for the year
- Median mileage
- 2,314miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the fuel system of the 2020 Mazda CX-30, 15% of the 34 complaints for this model year. Where a mileage was given, the median is 2,314 miles. 1 of these say a crash was involved, according to the filers. 1 recall campaign on record is filed under a similar system.
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 car on.the highway and as I prepared to exit I braked and the car hesitated for 2 seconds before brakes engaged. Car has also had hesitation upon acceleration periodically .this has been an issue upon just a few weeks of ownership. The break issue was just recently 7-29-20 I have taken the car to the local dealership about the driving/accelaration issue twice without resolution .”
NHTSA complaint #11331647, filed 2020-06, 3,950 miles“My experience at sansone Mazda was an absolutely nightmare. First off they had me in a lease of 10k down for a payment of 200$ a month, silly me. 7/1/2020 I bought a CX-30, on the floor the man had to jump start the car when I asked why he said it 'was because people play with the system'. The following morning the windshield wiper fluid symbol came up. 9 days later on 7/10/2020 I went to sign the rest of the papers and get the fluid serviced, this is where my headache began. The morning following a tropical storm my vehicle wouldn't start, called a tow truck to bring it back to sansone. …”
NHTSA complaint #11341714, filed 2020-07, 677 miles“I bought Mazda CX30 in 2020 and the battery already starts to fail. The engine light and the battery light are on suddenly when I was driving. Then, after a while, when I restart the engine and it starts to work again. However, it happens for two times within a week. I have sent the car to the Auto Zone and the nearby car auto repair company to check the car. However, they said they cannot detect anything as the engine light and the battery light are on again this time. It is so dangerous when the car suddenly stop in the middle of the road when I was driving. …”
NHTSA complaint #11506136, filed 2023-02Related recalls
- 20V347000Jun 12, 2020Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 vehicles equipped with all-wheel drive. The evaporative vent hose for the fuel tank…Covers: Mazda CX-30 2020
Related service bulletins
- 11033445May 2, 2026This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-011/25 10/16/25 and 02/27/25 DESCRIPTION Some customers will report that their fuel…
- 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…
- 11007024Aug 15, 2024Some customers will report that their fuel door was stuck closed and would not open to refuel the vehicle. Follow the repair steps below unless the conditions outlined in TSB…
Fuel system: other model years
Other parts of the 2020 Mazda CX-30
9 complaintsBrakes
7 complaintsEngine
6 complaintsElectrical system
5 complaintsTransmission and drivetrain
4 complaintsBody and structure
3 complaintsExterior lighting
2 complaintsForward collision avoidance
2 complaintsSeat belts
2 complaintsSuspension
2 complaintsSteering
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2020 Mazda CX-30
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