There are 4 owner-reported fuel system complaints for the 2019 Mazda Mazda3in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Shown engine light on dashboard and Car was struggling to run while pressing the gas, took to the mazda dealership and they told low pressure and high pressure fuel pump needs to be replaced.
Faulty Fuel pump by factory
Check engine light appeared then I had a dead battery. I purchased a new one and the check engine light went away for a while until now. Then I found a letter online that I never received of a recall for california vehicles that were manufactured during specific dates. Mine is listed as one but it does not have an active recall.
Dealer service tech stated the high pressure and low pressure fuel pumps failed and needed replaced. My car was not included in the recall regarding fuel pumps for Mazda, so the dealer would only cover 50 percent of the cost. Service tech and warranty service rep stated that Mazda was aware that what happened to my car is a factory malfunction but because my car is out of warranty they would not cover the entire expense. My car is 3 years old and only has approximately 67,000 miles on the engine. The fuel injectors were replaced at 10,000 miles by warranty. The service tech even stated this is obviously regarding the recall of the fuel pumps and did not understand why my car was not included.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026