To determine if a restricted air cleaner element is causing lack of power, perform the following steps: 1. Remove the air filter element from the…

To determine if high fuel temperature return is causing lack of power, perform the following steps: 1. Test for high fuel temperature return. 2. Analyze…

To determine if high fuel pressure is causing lack of power, perform the following steps: 1. Remove the Supply Fuel Temperature Sensor (SFT Sensor) fitting…

There are three basic checks that should be performed: Check for active/historic codes. All causes need to be checked once the fault is identified. Record…

The factors affecting wheel horsepower are listed in Table 12-1. To begin low horsepower diagnosis, refer to section 12.2 Factors Considerations DDEC Power Rating Is…

To determine if low compression pressure is causing rough running or stalling, perform the cylinder compression test. Refer to section 11.6.1 11.6.1 Cylinder Compression Test

To determine if improper injector calibration setting is causing rough running or stalling, perform the following steps: 1. Test for improper injector setting. 2. Compare…

To determine if high fuel temperature return is causing rough running or stalling, perform the following steps: 1. Connect to DDDL 7.0. 2. Start and…

To determine if insufficient fuel flow is causing rough running or stalling, do the following steps: 1. Perform a fuel flow test. 2. Analyze the…

To determine if a faulty fuel injector is causing excessive white smoke, perform the following: 1. Check for faulty fuel injector. 2. Check for faulty…