Fuel System - Repair Instructions
- Checking-Setting Engine
- Fuel pump with drive
- 13 31... Notes on fuel pressure check (reference pressure: intake manifold pressure)
- Feature of this version with intake manifold pressure:
- Test precondition:
- Description of operation: fuel pressure regulator
- Description of operation: fuel pump
- Description of operation: fuel return line
- Description of operation: pressure retaining function
- Complaint: drive characteristic faults, lack of power
- If the measured value is less than the nominal value - 0.2 bar:
- If the measured value is greater than the nominal value + 0.2 bar:
- Complaint: starting problems
- If the measured value has dropped by more than 0.5 bar:
- If the measured value has now dropped by less than 0.5 bar, the following faults may be present:
- If the measured value has again dropped by more than 0.5 bar:
- 13 31 029 Checking fuel pump delivery pressure (S54)
- 13 31 035 Replacing fuel line (S54)
- 13 31... Notes on fuel pressure check (reference pressure: intake manifold pressure)
- Fuel Filter
- Speed governor
- injection pump regulator
- injection nozzle and Injector
- throttle and operation
- Electronic control unit
- sensor for control unit
- throttle potentiometer
- start valves
- intake silencer
- air cleaner
- Carbon Canister Ventilation