Section 12.10
High Altitude Operation

To determine if high altitude operation is causing lack of power:‪

1. Examine the altitude performance curve, see Figure "Altitude Performance Curve" .
2. Based on the altitude curve data, , decide if high altitude is causing the lack of power.
   1. If your vehicle is operating above sea level, a loss of power will be encountered, no further troubleshooting is required.
   2. If your vehicle is operating at or below sea level and there is a lack of power, refer to "12.11 Incorrect Camshaft Timing" .

Figure 1. Altitude Performance Curve