2003 Mazda Protege5

The 2003 Mazda Protege5 is a sporty and practical hatchback that offers a fun driving experience and decent fuel economy. It came standard with a 2.0L four-cylinder engine producing 130 horsepower and 135 lb-ft of torque, paired with either a 5-speed manual or a 4-speed automatic transmission. Known for its responsive handling and engaging driving dynamics, the Protege5 is a popular choice for enthusiasts seeking an affordable and reliable vehicle. However, like any car of its age, certain issues tend to surface more frequently. Drivers appreciate the Protege5 for its affordability, practicality, and nimble handling. Common dislikes include its somewhat dated interior and potential for rust, especially in areas with harsh winters.

Engine

2.0L Inline-4 (FS-DE)

• Oil Leaks
  • Description/Symptoms: Oil leaks are common, often originating from the valve cover gasket, oil pan gasket, or crankshaft seal. Symptoms include visible oil drips under the car, low oil level, and a burning oil smell.
  • Solution: Replace the leaking gasket or seal.
  • Estimated Cost to Fix: $50 - $200+ depending on the location of the leak and whether it’s a DIY or professional job.
  • Recalls: None Found
• Catalytic Converter Failure
  • Description/Symptoms: The catalytic converter can fail due to age and degradation of the catalyst material. Symptoms include a check engine light (typically codes P0420), reduced engine performance, and failed emissions testing.
  • Solution: Replacement of the catalytic converter.
  • Estimated Cost to Fix: $300 - $800+ depending on the brand and installation costs.
  • Recalls: None Found

Transmission

4-Speed Automatic (FN4A-EL)

• Shifting Problems/Slipping
  • Description/Symptoms: The automatic transmission may experience slipping between gears, harsh shifting, or delayed engagement. This can be caused by worn friction plates, valve body issues, or low transmission fluid.
  • Solution: A transmission fluid flush may help in some cases, but often a rebuild or replacement is necessary.
  • Estimated Cost to Fix: $100 (fluid flush) to $1500 - $3000+ (rebuild or replacement).
  • Recalls: None Found

Suspension

• Rear Trailing Arm Bushing Failure
  • Description/Symptoms: The rear trailing arm bushings are prone to wear and failure. Symptoms include clunking noises from the rear suspension, especially when going over bumps, and vague handling.
  • Solution: Replace the worn trailing arm bushings.
  • Estimated Cost to Fix: $150 - $400+ per side, depending on labor costs and whether the entire trailing arm needs to be replaced.
  • Recalls: None Found
• Strut Mount Failure
  • Description/Symptoms: The front and rear strut mounts can wear out, leading to clunking noises, poor handling, and premature tire wear.
  • Solution: Replace the strut mounts.
  • Estimated Cost to Fix: $200 - $500+ per axle, depending on labor costs and the price of the strut mounts.
  • Recalls: None Found

Electrical

• Power Window Regulator Failure
  • Description/Symptoms: Power windows may fail to operate, often due to a faulty window regulator motor or cable.
  • Solution: Replace the power window regulator.
  • Estimated Cost to Fix: $150 - $400+ per window.
  • Recalls: None Found
• Alternator Failure
  • Description/Symptoms: The alternator can fail, resulting in a dead battery, dimming headlights, and a warning light on the dashboard.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $200 - $500+ including labor.
  • Recalls: None Found

Exterior

• Rust
  • Description/Symptoms: Rust is a common issue, especially in areas with road salt. It often appears on the rocker panels, wheel arches, and rear hatch.
  • Solution: Rust repair, ranging from minor spot treatments to complete panel replacement.
  • Estimated Cost to Fix: $100 (small spot) to $1000+ (panel replacement).
  • Recalls: None Found

Interior

• Sunroof Leakage
  • Description/Symptoms: Sunroofs can leak, especially if the drain tubes become clogged.
  • Solution: Clean the sunroof drain tubes. In severe cases, resealing the sunroof may be necessary.
  • Estimated Cost to Fix: $50 - $200+ depending on the severity.
  • Recalls: None Found

Summary

The 2003 Mazda Protege5 is generally a reliable vehicle, but owners should be aware of common issues like oil leaks, suspension wear, and potential rust. The severity and cost of these issues can vary, with some repairs being relatively inexpensive (e.g., replacing a valve cover gasket) and others being more substantial (e.g., transmission rebuild or rust repair). Regular maintenance and inspection can help to mitigate these problems and extend the life of the vehicle.