What are the most common Mazda Protege problems?
According to Au7o's analysis of 260+ owner reports, the 2003 Mazda Protege has 4 documented issues. The most frequently reported are: Thermostat Sticking and Overheating, Rear Engine Mount Premature Failure, Alternator Premature Failure and Charging Issues. None are rated critical, but regular maintenance is recommended.
Is the Mazda Protege reliable?
The 2003 Mazda Protege has 4 known issues documented across 260+ owner reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Mazda Protege problems?
Repair costs for known Mazda Protege issues range from $80 to $400, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1990-2003 Mazda Protege Thermostat Sticking and Overheating?
Thermostat sticks closed causing rapid overheating, or sticks open causing engine to run cold and poor heater output. Common failure on these engines past 80k miles. Repairs typically run $80-$250. Severity: medium.
What is the 1999-2003 Mazda Protege Rear Engine Mount Premature Failure?
The Protege's rear engine mount (torque mount) fails prematurely, typically between 40,000-80,000 miles. The liquid-filled mount ruptures and collapses, allowing excessive engine movement during acceleration and braking. This causes a harsh clunk when shifting gears or a shudderi… Repairs typically run $100-$300. Severity: medium.
What is the 1995-2003 Mazda Protege Alternator Premature Failure and Charging Issues?
Proteges experience premature alternator failure, often between 80,000-120,000 miles. The voltage regulator and brush assembly wear out, causing undercharging (battery dies) or overcharging (bulbs blow, battery boils). The alternator is mounted low on the engine where it is expos… Repairs typically run $200-$400. Severity: medium.
What is the 1999-2004 Mazda Protege Rear Sway Bar Link and Bushing Failure?
Rear sway bar end links and bushings wear prematurely causing clunking noises over bumps. Lightweight design means shorter lifespan than larger vehicles. Repairs typically run $80-$250. Severity: low.
