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2019 Mazda CX-5 fuel system problems

moderate Owners of the 2019 Mazda CX-5 have filed 5 NHTSA complaints about the fuel system at roughly $1,200 to repair (U.S. federal records, as of September 2026). Source: NHTSA Office of Defects Investigation. See fuel system across all vehicles →

Ask A Mechanic
Complaints
5
Recalls
1
Avg fix
$1,200

Related recalls

severe NHTSA 21V875000 November 12, 2021

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

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

Fix: 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.

Is there a fix? Manufacturer service bulletins

The manufacturer has issued service bulletins covering fuel system on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.

Service Bulletin MT-003/22 Mar 2022

Some 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 is added after the fuel pump nozzle shuts off automatically) or filled up normally in high ambient temperatures and the fuel expands. No repair is needed. Explain to the customer not to continue filling after nozzle shut off. Refer customer to Owner's Manual Warning:

full bulletin at NHTSA ↗
Service Bulletin 01-002/22 Mar 2022

Some vehicles may exhibit a fuel odor at the left / rear area of the vehicle while the engine is idling that usually occurs when the fuel tank is warmed up in hot weather and/or after long distance driving. Depending on wind direction and/or parking environment, the odor may be more noticeable. The odor may be caused by evaporative gas from the gas outlet vent.

full bulletin at NHTSA ↗
Service Bulletin MT-002-21a Oct 2021

Ethanol 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. E10: A blend of 10% ethanol and 90% gasoline. E85: A blend of 85% ethanol and 15% gasoline All Mazda vehicles can run on gasoline containing up to 10% ethanol (E10) but only some 1999-2001 B3000 trucks can run on gasoline with more than 10% ethanol blended. E10 compatible vehicles: All Mazda vehicles. E85 compatible vehicles: 1999-2001 B3000 Mazda trucks with the 8th VIN digit is V.

full bulletin at NHTSA ↗
Service Bulletin 01-011-19-3586a Jul 2019

Some customers may experience a check engine light illuminating with DTC P2096:00 stored in PCM memory. DTC P2096:00 - Air fuel too lean. NOTE: This concern occurs only on vehicles with PCMs manufactured by MITSUBISHI. Due to improper control logic of the PCM, a false error may be detected. To eliminate this concern, the PCM software has been modified.

full bulletin at NHTSA ↗
Service Bulletin 00-003-19-3583 Mar 2019

In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS shortly and Workshop Manual procedures will be revised gradually.

full bulletin at NHTSA ↗

Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.

What owners are reporting 0 most recent

Had fuel system trouble with your 2019 Mazda CX-5? File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.

Common questions

How serious is the fuel system problem on the 2019 Mazda CX-5?

It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $1,200 and most owners catch it before it causes a breakdown.

At what mileage does the fuel system typically fail?

Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.

What does it cost to fix?

Independent shops typically charge around $1,200 for fuel system repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.

Are there any recalls related to fuel system?

Yes — 1 active recall(s) cover fuel system issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.

Related

Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database. Verify the raw federal record at nhtsa.gov/vehicle/2019/Mazda/CX-5. Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are independent-shop national averages and may differ in your area. Some links on this page are affiliate links.
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