2021 Mazda CX-9

2021 Mazda CX-9

The 2021 Mazda CX-9 is a 3-row, 7-passenger SUV known for its stylish design, upscale interior, and powerful engine. It comes standard with a 250-hp, 2.5-liter turbocharged 4-cylinder engine paired with a 6-speed automatic transmission. Other engine and transmission options include a 227-hp, 2.5-liter naturally aspirated 4-cylinder engine paired with a 6-speed automatic transmission or a 256-hp, 2.2-liter turbodiesel 4-cylinder engine paired with a 6-speed automatic transmission.

Despite its popularity, the 2021 Mazda CX-9 has encountered several issues, ranging from minor annoyances to more serious concerns.

Engine

2.5-liter Turbocharged 4-cylinder (250 hp)

• Turbocharger Failure: The turbocharger may fail prematurely, causing reduced engine power, increased oil consumption, and excessive exhaust smoke. Solution: Replacement of the turbocharger. Estimated Cost to Fix: $1,500 - $2,500+
• Fuel Injector Issues: Some vehicles experience issues with fuel injectors clogging or malfunctioning, leading to rough idling, poor fuel economy, and difficulty starting. Solution: Replacement of the affected fuel injectors. Estimated Cost to Fix: $300 - $600+

2.5-liter Naturally Aspirated 4-cylinder (227 hp)

• No Significant Issues Found

2.2-liter Turbodiesel 4-cylinder (256 hp)

• Diesel Particulate Filter (DPF) Clogging: The DPF can become clogged with soot, triggering an engine warning light and reduced performance. Solution: DPF cleaning or replacement. Estimated Cost to Fix: $500 - $1,200+
• Diesel Exhaust Fluid (DEF) System Malfunction: Issues with the DEF system, such as a faulty DEF injector or sensor, can cause reduced engine power and an illuminated engine warning light. Solution: Repair or replacement of the affected DEF system component. Estimated Cost to Fix: $300 - $800+

Transmission

6-speed Automatic Transmission (All Engine Options)

• Shifting Issues: Some vehicles experience rough or delayed shifting, especially during acceleration or deceleration. Solution: Transmission fluid service or transmission replacement. Estimated Cost to Fix: $300 - $3,000+
• Transmission Control Module (TCM) Failure: The TCM may malfunction, causing transmission shifting problems, loss of power, or a no-start condition. Solution: Replacement of the TCM. Estimated Cost to Fix: $500 - $1,000+

Suspension

• Rear Suspension Sagging: The rear suspension components may wear prematurely, causing the vehicle to lean or sag in the rear. Solution: Replacement of the affected suspension components. Estimated Cost to Fix: $500 - $1,200+
• Strut Mount Noise: The strut mounts may wear out and cause clunking or rattling noises when driving over rough roads. Solution: Replacement of the strut mounts. Estimated Cost to Fix: $300 - $600+

Electrical

• Battery Discharge: Some vehicles experience premature battery discharge due to issues with the electrical system, such as faulty wiring or a parasitic draw. Solution: Diagnosis and repair of the electrical system component causing the discharge. Estimated Cost to Fix: $200 - $600+
• Infotainment System Issues: The infotainment system may experience lagging, freezing, or other malfunctions. Solution: Software updates or replacement of the infotainment module. Estimated Cost to Fix: $200 - $1,000+
• Recalls: NHTSA Recall Number: 22V180 - Hood May Not Close Properly

Exterior

• Condensation in Headlights: Condensation may form inside the headlights, especially in humid conditions. Solution: Replacement of the affected headlights. Estimated Cost to Fix: $500 - $1,200+
• Recalls: NHTSA Recall Number: 21V405 - Brake Pad Corrosion

Interior

• Climate Control Malfunctions: The climate control system may experience issues with temperature control or airflow, resulting in insufficient heating or cooling. Solution: Repair or replacement of the affected climate control components. Estimated Cost to Fix: $200 - $800+
• Panoramic Sunroof Rattle: The panoramic sunroof may rattle or make wind noises when driving at highway speeds. Solution: Adjustment or replacement of the sunroof components. Estimated Cost to Fix: $300 - $600+
• Center Console Lid Squeaks: The center console lid may develop squeaking or rattling noises when driving. Solution: Adjustment or replacement of the lid components. Estimated Cost to Fix: $100 - $300+

Summary

While the 2021 Mazda CX-9 is a popular and well-received SUV, it has not been without its share of problems. Some of the issues, such as turbocharger failure, transmission shifting issues, and rear suspension sagging, can be costly to fix. Electrical issues and infotainment system problems can also be frustrating for owners. However, it’s important to note that not all vehicles will experience these problems, and some may be covered under warranty. Overall, the 2021 Mazda CX-9 remains a solid choice for buyers seeking a stylish and powerful SUV, but it’s essential to be aware of the potential issues before making a purchase decision.