2018 Mazda CX-5 fuel system problems

The 2018 Mazda CX-5 has 38 fuel system complaints filed with NHTSA — 8% of the year's total, and up sharply from the prior model year.

Fuel System complaints

Share of year

Crash-involved

Related recalls

Fuel System complaints by year

CX-5 fuel system complaints by model year. Red bars are years to avoid.

Related recalls

21V875000Fuel SystemNovember 12, 2021 · 121,038 units

Defect

Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.

Consequence

Fuel pump failure may cause an engine stall, increasing the risk of a crash.

Remedy

Dealers will replace the fuel pumps, free of charge. Owner notification letters were mailed July 18, 2022. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 5321K.

What owners report

“ON MAY 9, 2020, OUR MAZDA CX5 LOST THRUST, STALLED AND CAME TO A COMPLETE STOP WHILE DRIVING ON A HIGHWAY GOING 55 MPH ON A STRAIGHT 3 LANE ROAD. THIS OCCURRED DESPITE THE PCM PROGRAMMING WAS RE-CALIBRATED DUE TO A MANUFACTURER RECALL IN SEPTEMBER 2019 (NHTSA RECALL NO. 19V497000). THE CAR IS TOWED…”
Complaint filed with NHTSA · Fuel System · May 9, 2020

Common questions

How many fuel system complaints does the 2018 Mazda CX-5 have?

NHTSA has 38 complaints about the 2018 Mazda CX-5 fuel system — 8% of all complaints filed for that model year.

Are there recalls for the 2018 Mazda CX-5 fuel system?

Yes — 1 NHTSA recall campaign for this model year is tied to the fuel system: 21V875000.

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.