467 problems have been reported for the 2003 Ford F-150. The following chart shows the 22 most common problems for 2003 Ford F-150. The number one most common problem is related to the vehicle's engine and engine cooling with 90 problems. The second most common problem is related to the vehicle's power train (59 problems).
In our research we use the PPMY index to compare the reliability of vehicles. The PPMY index of a certain model is defined as the problems reported per thousand vehicles per Year. The total sales of the 2003 Ford F-150 in the United States are 492,834 units [1]. If the total number of problems reported by Ford F-150 owners in the last 23 years is 467, and the age of the vehicle is 23, the PPMY index can then be calculated as
PPMY Index = 467 / 492,834 / 23 * 1000 = 0.04.
For more information, refer to this page: A study of reliability comparison across Ford F-150 model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2003 Ford F-150 in 2003.
| Service Year | Number of Problems |
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| 2003 |
When making the decision between buying a new or used Ford F-150, the following table can be used to compare the 2003 Ford F-150 with the Ford F-150 from other model years. Note that the number of problems reported for the 2003 F-150 is 467 while the average number of problems reported for the 31 model years of the Ford F-150 is 1,379.