Truong Hai Auto Corporation (THACO) Group, the Vietnamese assembler and distributor of several automobile brands, has issued a recall of tens of thousands of Mazda cars over faulty fuel pumps.

According to the Vietnam Register, the state agency in charge of vehicle registration, THACO has ordered a recall of 61,517 Mazda vehicles belonging to five models – Mazda 2, Mazda 3, Mazda 6, Mazda CX-5, and Mazda CX-8 – all assembled domestically, as well as Mazda 2 cars imported from Thailand.

The company will fix the fuel pump error on all cars from these models that are brought in during the recall. 

The recall began on May 17 and will last until December 31, 2025.

There were a total of 3,369 imported Mazda 2s brought into Vietnam between June 4, 2018 and August 21, 2019.

The number of domestically assembled Mazda vehicles subject to the recall mounts to 36,285 Mazda 2, Mazda 3, Mazda 6, and Mazda CX-5 cars produced between October 21, 2017 and December 28, 2018.

An additional 21,863 Mazda 3, Mazda 6, Mazda CX-5, and Mazda CX-8 units manufactured from January 4, 2019 to December 30, 2019 qualify for the recall.

Mazda, Honda, and Toyota have recalled tens of thousands of vehicles over faulty fuel pumps in Vietnam this month, according to statistics.

Beginning May 24, Mitsubishi Motors Vietnam Co. Ltd. will recall 312 Outlander, Outlander Sport, Pajero, and Mitsubishi Colt units due to faulty fuel pumps and handbrakes.

According to the Vietnam Register, the vehicles subject to the aforementioned recalls are equipped with a low-pressure pump placed in the fuel tank to provide fuel for the electronic fuel injection system. 

The impellers of these low-pressure pumps can be manufactured with a low material density, which may cause cracks due to drying during production, leading to the possibility of deformation resulting from the impact of gasoline during operation motion at high temperatures.

During operation, the deformed impeller may collide with the pump body, causing the fuel pump to stop working and the engine to shake, not to start or to stall.

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