2002 Mazda Miata

The 2002 Mazda Miata, also known as the NB generation, is a beloved roadster known for its agile handling, lightweight design, and fun driving experience. All 2002 Miatas came equipped with a 1.8L DOHC inline-4 engine producing 142 horsepower and 125 lb-ft of torque. Transmission options included a 5-speed manual, a 6-speed manual (available on some models), and a 4-speed automatic. Owners generally appreciate the Miata’s simplicity, reliability, and affordability, but common complaints revolve around its small size, limited cargo space, and relatively basic features.

Engine

1.8L DOHC Inline-4

• Valve Cover Gasket Leaks
  • Description/Symptoms: Oil leaks from the valve cover gasket, often resulting in a burning oil smell.
  • Solution: Replacement of the valve cover gasket.
  • Estimated Cost to Fix: $50 - $150
  • Recalls: None Found
• Crankshaft Position Sensor Failure
  • Description/Symptoms: Intermittent engine stalling, rough running, or failure to start. A check engine light is usually illuminated with a code related to the crankshaft position sensor.
  • Solution: Replacement of the crankshaft position sensor.
  • Estimated Cost to Fix: $100 - $250
  • Recalls: None Found

Transmission

5-Speed Manual

• No Issues Found

6-Speed Manual

• No Issues Found

4-Speed Automatic

• Shift Solenoid Failure
  • Description/Symptoms: Erratic shifting, failure to shift into certain gears, or harsh shifting.
  • Solution: Replacement of the faulty shift solenoid(s).
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Suspension

• Broken Coil Springs
  • Description/Symptoms: A clunking or rattling noise when driving over bumps, uneven ride height, or visible cracks in the coil springs.
  • Solution: Replacement of the broken coil spring(s). It is recommended to replace springs in pairs (both front or both rear).
  • Estimated Cost to Fix: $200 - $500+ (depending on whether you replace one or two)
  • Recalls: None Found
• Worn Ball Joints
  • Description/Symptoms: Clunking noises from the front suspension, especially when turning or going over bumps. Steering may feel loose or imprecise.
  • Solution: Replacement of the worn ball joints.
  • Estimated Cost to Fix: $200 - $600 (depending on whether upper or lower, and if replacing both sides)
  • Recalls: None Found

Electrical

• Power Window Regulator Failure
  • Description/Symptoms: The power window operates slowly, erratically, or not at all. A grinding or clicking noise may be heard from the door.
  • Solution: Replacement of the power window regulator.
  • Estimated Cost to Fix: $150 - $400
  • Recalls: None Found
• Taillight/Brake Light Issues
  • Description/Symptoms: Dim taillights, brake lights not functioning, or rapid blinking of turn signals.
  • Solution: Cleaning or replacement of corroded bulb sockets and wiring, or replacement of the light bulbs.
  • Estimated Cost to Fix: $20 - $100
  • Recalls: None Found

Exterior

• Soft Top Wear and Leaks
  • Description/Symptoms: Rips, tears, or excessive wear on the soft top material, leading to water leaks into the cabin. The plastic windows often become cloudy or cracked.
  • Solution: Patching the existing top, replacing the plastic window, or replacing the entire soft top.
  • Estimated Cost to Fix: $50 - $1000+ (depending on repair vs. full replacement)
  • Recalls: None Found

Interior

• No Issues Found

Summary

The 2002 Mazda Miata, while a fun and engaging car, has several common issues. Engine issues like valve cover gasket leaks are relatively inexpensive to fix, while transmission problems, especially with the automatic, can be more costly. Suspension issues like broken coil springs are also common due to the age of the vehicles. Electrical issues are relatively minor and inexpensive. Soft top wear is expected given the age and design. Overall, while some issues require attention, they are generally manageable and don’t detract significantly from the car’s inherent appeal.