1990 Mazda Miata

Introduction:

The 1990 Mazda Miata is a compact, two-seat sports car that was introduced as the first-generation model of the popular Miata line. It is powered by a 1.6-liter four-cylinder engine that produces 116 horsepower and 100 lb-ft of torque. The Miata is known for its handling, affordability, and fun-to-drive nature. However, it has also been reported to have some issues that can affect its performance and reliability.

Engine

1.6L 4-Cylinder

• Excessive oil consumption:
  • Description/Symptoms: The engine burns excessive oil, resulting in low oil levels and possible engine damage if not addressed. Symptoms include frequent oil top-ups, blue smoke from the exhaust, and oil in the spark plugs.
  • Solution: Replacing the piston rings and valve stem seals.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found
• Timing belt failure:
  • Description/Symptoms: If the timing belt fails, it can cause valve damage or piston damage, leading to catastrophic engine failure. Symptoms include a sudden loss of power and the inability to start the engine.
  • Solution: Replacing the timing belt and any damaged components.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Transmission

5-Speed Manual

• Grinding gears:
• Description/Symptoms: Difficulty shifting gears, especially into second gear, due to worn synchronizers. Symptoms include a grinding noise when shifting.
• Solution: Replacing the worn synchronizers.
• Estimated Cost to Fix: $500 - $1,000
• Recalls: None Found

Suspension

No Issues Found

Electrical

• Alternator failure:
  • Description/Symptoms: The alternator fails to charge the battery, leading to electrical problems and a dead battery. Symptoms include dim headlights, flickering interior lights, and difficulty starting the car.
  • Solution: Replacing the alternator.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Battery terminal corrosion:
  • Description/Symptoms: Corrosion builds up on the battery terminals, preventing proper electrical contact. Symptoms include difficulty starting the car, flickering lights, and electrical system malfunctions.
  • Solution: Cleaning the terminals and applying anti-corrosion spray.
  • Estimated Cost to Fix: $100 - $200
  • Recalls: None Found

Exterior

No Issues Found

Interior

• Power window failure:
• Description/Symptoms: The power windows become inoperable due to faulty switches or motors. Symptoms include windows not responding to switch commands or moving slowly and intermittently.
• Solution: Replacing the faulty switches or motors.
• Estimated Cost to Fix: $200 - $500
• Recalls: None Found

Summary

While the 1990 Mazda Miata is a popular and fun-to-drive sports car, it has been reported to have some issues that can affect its reliability. The most common issues include excessive oil consumption, timing belt failure, and power window failure. It is crucial to address these issues promptly to prevent further damage and costly repairs. The severity of the issues can vary from minor electrical problems to major engine failures, and the cost of repairs can range from a few hundred dollars to several thousand dollars.