Fuel System - Repair - E91
- 1300 Checking/Setting Engine/Emission
- 1331 Fuel Pump With Drive And Line
- 13 31 029 Checking fuel pump delivery pressure (N52)
- 13 31... Notes on fuel pressure check (reference pressure: surrounding environment)
- Feature of this version with ambient pressure
- Test precondition
- Description of operation
- 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 can be present
- If the measured value has dropped by more than 0.5 bar again
- 1353 Injection Nozzle And Lines
- 1354 Throttle And Operation
- 1362 Sensor For Control Unit
- 1364 Start Valves
- 1371 Intake Silencer
- 1372 Air Cleaner
- 1390 Carbon Canister Ventilation