Advance and retard are accomplished in the following ways (figure 5-21). • In advance mode, the stepper motor arm retracts in steps. This causes the…
The mechanical advance/retard components of the stepper motor and piston assembly include (figure 5-20): • Lever Spring • Pivot Shaft • Control Lever • Servo…
Timing on the electronic pump is managed by the injection timing stepper motor. It uses a sliding piston that connects to the cam ring with…
Spill (figure 5-18) signals the end of injection: • the fuel solenoid, as commanded by the PCM, de-energizes. This opens the control valve. Fuel spills…
During pumping (figure 5-17): • the shoe/roller assemblies begin up the next cam lobe ramp. This pushes the plungers inward, creating high-injection pressure that flows…
Symptom Tree t096 Printable Version This is symptom tree Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section TF…
Symptom Tree t092 Printable Version This is symptom tree Cause Correction Bulk oil supply is contaminated Check the bulk oil supply. Drain the oil and replace…
Symptom Tree t091 Printable Version This is symptom tree Cause Correction Bulk coolant supply is contaminated Check the bulk coolant supply. Drain the coolant and replace…
Symptom Tree t087-011 Printable Version This is symptom tree Cause Correction Interview the operator to verify the complaint Refer to Fuel Consumption – General Information and…
Symptom Tree t087-155 Printable Version This is symptom tree Cause Correction If the Fuel Consumption Complaint also includes a driveability or low power complaint, refer to…