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Mazda Protege - Problems, Statistics, and Analysis



Mazda Protege owners have reported 746 problems for their cars built in the 8 model years listed in the chart below. The chart shows the number of problems reported during all service years for each model year of Mazda Protege. The 2000 Mazda Protege cars have the most problems reported (120 problems).

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

Model Year Number of Problems
  2003 Protege
115
  2002 Protege
103
  2001 Protege
62
  2000 Protege
120
  1999 Protege
99
  1998 Protege
51
  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

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the older model year Mazda Protege to a new one in terms of the problems reported since older vehicles have been in service longer and more problems should be reported. 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 implies a better reliability for the model year under study.

    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 result is 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 11587,71213    
0.10
  2002 103100,32114    
0.07
  2001 6248,92615    
0.08
  2000 12080,31816    
0.09

  Number of Problems Reported During the First Year

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

Table 4. Number of problems in vehicles' 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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