Fuel system
- Make
- Alfa Romeo
- Model
- 145/146 Factory Service Manual
- Year
- 1994–1999
- Section
- Engine supply - cooling › Fuel system
Technical data and maintenanceFuel system
FUEL SYSTEM
FUEL (Specific for petrol engines)
| Unleaded fuel | minimum R.O.N. = 95 |
|---|
FUEL TANK
| Total capacity | 51/61 litres (*) |
|---|---|
| Reserve | 5 ÷ 8 litres |
(*): For Versions/Markets.
SAFETY VALVE SETTING CHECK (on fuel tank)
(Specific for petrol engines)
| Opening vacuum for tank ventilation | ≤ 0.020 bar |
|---|---|
| Opening pressure for releasing fuel vapours | 0.065 ÷ 0.085 |
CHECKING FUEL SUPPLY PRESSURE
(Specific for petrl engines)
| 1351 | 1596 / 1712 16V | T. SPARK 16V | |
|---|---|---|---|
| Opening vacuum for tank ventilation | 2.3 ÷ 2.7 bar | 2.8 ÷ 3.2 bar | 2.8 ÷ 3.2 bar (*) |
| Opening pressure for relasing fuel vapours | 4 bar (*) | ||
(*) For versions with M1.5.5 injection - ignition system: 3.5 ± 0.2 bar.
MULTI-PURPOSE VALVE SETTING CHECK (on fuel tank)
| Petrol engines | Turbodiesel engines | |
|---|---|---|
| Opening pressure for releasing fuel vapours | 0.038 ÷ 0.053 bar | 0.055 ÷ 0.075 bar |
| Opening vacuum for tank ventilation | - 0.020 bar | - 0.020 bar |
CHECKING THE FUEL WARMING DEVICE THERMAL SWITCH SETTING
(Specific for 1929 Turbodiesel engine)
| Contact closing temperature | 6°C |
|---|---|
| Contact opening temperature | 15°C |
INJECTOR SETTING CHECK (Specific for 1929 Turbodiesel engine)
| Injector seal control pressure | 130 ÷ 138 bar |
|---|---|
| Injector setting pressure | 150 ÷ 158 bar |
Parts & tools for this job For 1994 Alfa Romeo 145/146
- PARTFuel filterSearch: Alfa Romeo 145/146 1994 fuel filter
- TOOLFuel pressure test kitSearch: fuel pressure test kit
- TOOLFuel line disconnect toolSearch: fuel line disconnect tool
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