2003 Mazda Protege

2003 Mazda Protege

Overview

The 2003 Mazda Protege, a compact car known for its sporty handling and affordability, generally presents a decent reliability record for its era. While not without its potential issues, many owners report a positive ownership experience when basic maintenance is performed. Common areas of concern tend to be related to age and mileage, particularly with certain powertrain components and electrical systems. However, for its class and time, the Protege offered a good balance of performance and practicality, making it a popular choice for budget-conscious buyers and driving enthusiasts alike. Understanding potential weak points can help in maintaining and extending the life of this vehicle.

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Engine

2.0L DOHC (FS-DE)

Oil Leaks

• Symptoms: Visible oil spots under the vehicle, burning oil smell, low oil level.
• Solution: Replacement of seals and gaskets (e.g., valve cover gasket, oil pan gasket).
• Cost: $250 - $600

Timing Belt Failure

• Symptoms: Sudden engine shutdown, rough running, no start.
• Solution: Replacement of timing belt, tensioner, and idler pulleys. If failure occurred, potential engine damage may require more extensive repairs.
• Cost: $500 - $1000

1.6L SOHC (Z5-DE)

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Transmission

5-Speed Manual

Clutch Wear

• Symptoms: Slipping clutch, difficulty shifting gears, burning smell.
• Solution: Clutch kit replacement (clutch disc, pressure plate, release bearing).
• Cost: $600 - $1200

4-Speed Automatic

Harsh Shifting / Slipping

• Symptoms: Jerky gear changes, delayed engagement, engine revving without acceleration.
• Solution: Transmission fluid and filter change, internal component repair or rebuild.
• Cost: $1500 - $3000+

Suspension

Standard Chassis

Worn Ball Joints and Bushings

• Symptoms: Clunking noises over bumps, poor handling, uneven tire wear.
• Solution: Replacement of worn ball joints and suspension bushings.
• Cost: $400 - $800

Strut Mount Failure

• Symptoms: Popping or creaking noises when turning, especially at low speeds.
• Solution: Replacement of strut mounts.
• Cost: $200 - $400

Electrical

General Electrical System

Alternator Failure

• Symptoms: Dimming headlights, battery warning light illuminated, electrical components malfunctioning.
• Solution: Replacement of the alternator.
• Cost: $400 - $700

Power Window Motor Failure

• Symptoms: Power windows not operating, slow window operation.
• Solution: Replacement of individual power window motors.
• Cost: $200 - $400 per window

Exterior

Body and Paint

Rust

• Symptoms: Corrosion on body panels, wheel wells, and undercarriage.
• Solution: Rust repair and repainting, rustproofing.
• Cost: $300 - $1500+

Interior

Cabin Components

HVAC Blower Motor Resistor Failure

• Symptoms: Fan only works on highest setting or not at all.
• Solution: Replacement of the blower motor resistor.
• Cost: $100 - $250

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Summary Verdict

The 2003 Mazda Protege is a generally reliable compact car, particularly with the 1.6L engine. The 2.0L engine can experience oil leaks and timing belt issues, which are common for vehicles of this age and mileage. Automatic transmissions may develop harsh shifting over time. Suspension components like ball joints and bushings are also common wear items. Electrical issues such as alternator failure and power window motors are not uncommon. Rust can be a concern in certain climates. Overall, with diligent maintenance and addressing potential issues promptly, the Protege can remain a dependable vehicle.