2004 Mazda 6

Introduction:

The 2004 Mazda 6 is a midsize sedan that was available with a choice of two engines: a 2.3-liter inline-four and a 3.0-liter V6. Transmission options included a five-speed manual, a four-speed automatic, and a five-speed automatic. The inline-four engine produced 160 horsepower and 156 lb-ft of torque, while the V6 produced 220 horsepower and 185 lb-ft of torque. The Mazda 6 was praised for its handling, performance, and fuel efficiency. However, it was criticized for its small interior and lack of some features.

Engine

2.3-liter Inline-Four

• Intake Manifold Runner Control (IMRC) Valve Failure
  • Description/Symptoms: The IMRC valve controls the flow of air into the engine. When it fails, it can cause a loss of power, decreased fuel efficiency, and a check engine light.
  • Solution: Replace the IMRC valve.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found

3.0-liter V6

• Timing Chain Tensioner Failure
  • Description/Symptoms: The timing chain tensioner keeps the timing chain tight. When it fails, it can cause the timing chain to skip or break, which can lead to catastrophic engine damage.
  • Solution: Replace the timing chain tensioner and timing chain.
  • Estimated Cost to Fix: $1,000 - $2,000
  • Recalls: None Found

Transmission

Five-Speed Manual

• No Issues Found

Four-Speed Automatic

• Transmission Solenoid Failure
  • Description/Symptoms: The transmission solenoids control the flow of fluid within the transmission. When they fail, it can cause a variety of transmission problems, such as slipping, delayed shifting, and hard shifting.
  • Solution: Replace the faulty solenoid.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Five-Speed Automatic

• Valve Body Failure
  • Description/Symptoms: The valve body controls the flow of fluid within the transmission. When it fails, it can cause a variety of transmission problems, such as slipping, delayed shifting, and hard shifting.
  • Solution: Replace the valve body.
  • Estimated Cost to Fix: $600 - $1,200
  • Recalls: None Found

Suspension

• Struts and Shocks
  • Description/Symptoms: The struts and shocks absorb bumps and vibrations. When they wear out, they can cause a loss of handling and comfort.
  • Solution: Replace the struts and shocks.
  • Estimated Cost to Fix: $600 - $1,200
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: The alternator charges the battery. When it fails, it can cause the battery to drain and the vehicle to lose power.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Condensation can build up inside the headlights, causing them to fog up.
  • Solution: Replace the headlights.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Interior

• Climate Control Failure
  • Description/Symptoms: The climate control system regulates the temperature and airflow within the cabin. When it fails, it can cause the cabin to become too hot or cold.
  • Solution: Replace the climate control module.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found

Summary:

The 2004 Mazda 6 is a reliable vehicle with a number of potential issues. The most serious issues are the timing chain tensioner failure and the valve body failure, which can both lead to costly repairs. However, many of the other issues are relatively minor and inexpensive to fix. Overall, the 2004 Mazda 6 is a good value for the price, but it is important to be aware of the potential issues before purchasing a used vehicle.