2010 Mazda CX-7
2010 Mazda CX-7
The 2010 Mazda CX-7 is a compact crossover SUV that was available with a choice of two engines and two transmission options. The base engine was a 2.5-liter four-cylinder that produced 161 horsepower and 161 lb-ft of torque. This engine was paired with a five-speed manual transmission or a six-speed automatic transmission. The optional engine was a 2.3-liter turbocharged four-cylinder that produced 244 horsepower and 258 lb-ft of torque. This engine was paired with a six-speed automatic transmission only.
The CX-7 was praised for its stylish design, sporty handling, and comfortable interior. However, it was also criticized for its high fuel consumption and cramped third row of seats.
Engine
2.5-liter Four-Cylinder
- Intake Manifold Runner Control Valve Malfunction
- Description/Symptoms: Check engine light, rough idle, hesitation on acceleration
- Solution: Replace intake manifold runner control valve
- Estimated Cost to Fix: $200 - $300
- Recalls: None Found
- Timing Chain Tensioner Failure
- Description/Symptoms: Engine noise, reduced engine power, check engine light
- Solution: Replace timing chain tensioner
- Estimated Cost to Fix: $1,000 - $1,500
- Recalls: None Found
- Carbon Buildup on Intake Valves
- Description/Symptoms: Reduced engine power, rough idle, hesitation on acceleration
- Solution: Clean intake valves
- Estimated Cost to Fix: $300 - $500
- Recalls: None Found
2.3-liter Turbocharged Four-Cylinder
- Turbocharger Failure
- Description/Symptoms: Reduced engine power, black smoke from exhaust, check engine light
- Solution: Replace turbocharger
- Estimated Cost to Fix: $1,500 - $2,000
- Recalls: 10V150000
- Fuel Injector Failure
- Description/Symptoms: Rough idle, hesitation on acceleration, reduced engine power
- Solution: Replace fuel injectors
- Estimated Cost to Fix: $500 - $700
- Recalls: None Found
Transmission
Five-Speed Manual Transmission
- Shifter Linkage Failure
- Description/Symptoms: Difficulty shifting gears, grinding noises when shifting gears
- Solution: Replace shifter linkage
- Estimated Cost to Fix: $200 - $300
- Recalls: None Found
Six-Speed Automatic Transmission
- Torque Converter Lockup Failure
- Description/Symptoms: Shuddering or slipping when shifting gears, reduced fuel economy
- Solution: Replace torque converter
- Estimated Cost to Fix: $1,000 - $1,500
- Recalls: None Found
Suspension
- Front MacPherson Strut Mount Failure
- Description/Symptoms: Clunking noises when going over bumps, uneven tire wear
- Solution: Replace front strut mounts
- Estimated Cost to Fix: $300 - $500
- Recalls: None Found
- Rear Shock Absorber Failure
- Description/Symptoms: Bouncy ride, reduced handling stability
- Solution: Replace rear shock absorbers
- Estimated Cost to Fix: $200 - $300
- Recalls: None Found
Electrical
- Battery Drain
- Description/Symptoms: Battery dies prematurely, difficulty starting the vehicle
- Solution: Test for parasitic draw, repair or replace faulty components
- Estimated Cost to Fix: $100 - $500
- Recalls: None Found
- Alternator Failure
- Description/Symptoms: Dim headlights, flickering lights, reduced battery power
- Solution: Replace alternator
- Estimated Cost to Fix: $500 - $700
- Recalls: None Found
Exterior
- Sunroof Leak
- Description/Symptoms: Water leaking into the cabin through the sunroof
- Solution: Replace sunroof seal, adjust sunroof alignment
- Estimated Cost to Fix: $200 - $400
- Recalls: None Found
Interior
- Door Panel Rattling
- Description/Symptoms: Loose door panels that rattle when driving
- Solution: Tighten door panel screws
- Estimated Cost to Fix: <$100
- Recalls: None Found
- Dashboard Creaks and Squeaks
- Description/Symptoms: Noises coming from the dashboard while driving
- Solution: Apply lubricant to dashboard joints, replace dashboard components if necessary
- Estimated Cost to Fix: $100 - $300
- Recalls: None Found
Summary
The 2010 Mazda CX-7 has a number of potential issues that buyers should be aware of before purchasing. The most severe and expensive issue is the turbocharger failure on the 2.3-liter turbocharged engine. Other issues, such as the intake manifold runner control valve malfunction and the timing chain tensioner failure on the 2.5-liter engine, can also be costly to repair. However, most of the other issues listed above are relatively minor and can be fixed for a reasonable cost. Overall, the CX-7 is a reliable vehicle, but it is important to be aware of the potential issues before making a purchase decision.