Mazda Protege - Problems, Statistics, and Analysis

Mazda Protege owners have reported a total of 758 problems for their cars built in the 8 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the Mazda Protege. The 2000 Mazda Protege cars have the most problems reported (124 problems).

Table 1. Total number of problems by model year for Mazda Protege

Model Year Number of Problems
  2003 Protege
118
  2002 Protege
103
  2001 Protege
65
  2000 Protege
124
  1999 Protege
100
  1998 Protege
52
  1997 Protege
103
  1996 Protege
91

  Common problems of Mazda Protege

The following chart shows the 24 most common problems for Mazda Protege cars. The number one most common problem is related to the vehicle's power train (123 problems). The second most common problem is related to the vehicle's air bags (115 problems).

Table 2. Common problems of Mazda Protege

Problem Category Number of Problems
  Power Train
123
  Air Bag
115
  Engine And Engine Cooling
85
  Service Brakes
67
  Seat Belt
61
  Tire
43
  Electrical System
36
  Suspension
34
  Vehicle Speed Control
29
  Equipment
25
   
  Seats
21
  Steering
20
  Visibility
20
  Structure
19
  Gasoline Fuel System
14
  Unknown Or Other
13
  Wheel
8
  Exterior Lighting
7
  Latches/locks/linkage
7
  Interior Lighting
3
  Child Seat
3
  Air Brake
2
  Parking Brake
2
  Electronic Stability Control
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Mazda Protege of an older model year to newer model years since older vehicles have been in service longer and thus are expected to have more problems. In order to compare the reliability across Protege model years, we use the PPMY index which is defined as the problems reported per thousand vehicles per Year. A smaller PPMY index indicates greater reliability of the given model year cars.

    PPMY = P / S / Y * 1000,

where P = total problems reported during the life of a Mazda Protege model year; S = total units sold of the model year; Y = years since the debut of the model year (the age of the vehicle).

The results are shown in Table 3.

Table 3. Use PPMY Index to Compare Reliability Across Protege Model Years

Protege
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2003 11887,71215    
0.09
  2002 103100,32116    
0.06
  2001 6548,92617    
0.08
  2000 12480,31818    
0.09

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Mazda Protege is to use the total number of problems reported during the vehicle's first year in service, as shown in the Table 4.

Table 4. Number of problems in vehicle's; first service year

Model YearProblems Reported
  2003 Protege
9
  2002 Protege
11
  2001 Protege
18
  2000 Protege
14
  1999 Protege
8
  1998 Protege
11
  1997 Protege
15
  1996 Protege
15


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