System type | Bosch CIS-E sequential fuel injection system |
| Fuel pressure in the system | 5.3 – 5.5 bar |
Fuel pump
Type | Self-priming roller type pump |
Performance | 1.5 l/min |
Pressure generated | 2 – 4 bar |
Fuel injectors
Type | Mechanical |
Opening pressure: | |
– before 08/1988: | |
• new | 3.5 – 4.1 bar |
• used items | Minimum 3.0 bar |
– since 09/1988: | |
• new | 3.7 – 4.3 bar |
• used items | Minimum 3.2 bar |
Coolant temperature sensor
Type | NTC |
Sensor resistance: | |
– at 80°C | 325 Ohm |
– at 40°C | 1200 Ohm |
– at 0°C | 6000 Ohm |
Thermo-time sensor
Heater resistance | 93 Ohm |
Time interval of closed contacts: | |
– at -20°C | 12.0 seconds |
– at 0°C | 1.5 seconds |
– at 3°C | 0.5 seconds |
Air flow meter potentiometer
Supply voltages | 7 – 9 V |
Output voltage: | |
- with the engine off | 0.25 – 0.5 V |
– at maximum deviation of the measuring plate | 7.0 – 9.0 V |
Tightening moments
Fuel level sensor | 40 Nm |
Throttle body mounting | 25 Nm |
Connecting fuel lines | 10 Nm |
Fuel tank mesh filter | 40 Nm |
Fuel tank mounting bolts | 20 Nm |
Lambda sensor (oxygen sensor) | 55 Nm |
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