5.1. Fuel system of petrol engines
Fuel system of petrol engines
Specifications
Name
|
Technical requirements
|
Control system of the engine (ESM) |
Engines of 1,4 l – Bosch l Engines 1,8 and 2,0 – Siemens
|
Fuel tank | |
Capacity |
55 l
|
Fuel filter |
High pressure
|
Regulator pressure |
350 kpa
|
Fuel pump |
Electric, established in the fuel tank
|
Sensor of absolute pressure of air (MAP) |
Pyezo-rezistivny
|
Output tension |
0–5
|
Sensor of provision of a butterfly valve (TPS) |
Variable resistor
|
Resistance |
0,7–3,0 kOhm
|
Output tension idling |
0,1-0,875 B
|
Detonation sensor |
Piezoelectric
|
The sensor of temperature of the air (IAT) coming to the engine | |
Resistance |
2,0–3,0 kOhm
|
Sensor of temperature of cooling liquid (EST) | |
Resistance |
1,0–4,0 at 20 °C
0,24–0,40 at 80 °C |
The warmed oxygen sensor | |
Output tension |
0–1 V
|
Sensor of position of the camshaft (CMP) |
Hall's sensor
|
Output tension |
0–5 V
|
Sensor of an angle of rotation of a bent shaft (CKP) |
Inductive
|
Output frequency | Idling: 600–900 Hz
At 3000min-1: 2700–3300 Hz |
Fuel nozzles | |
Type |
Electromagnetic
|
Quantity |
4
|
Resistance |
15,9±0,35 Ohm
|
Electromagnetic valve of system of catching of vapors of EVAP fuel | |
Type |
Load type
|
Resistance |
26 Ohm
|
Idling frequency modulator | |
Type |
Dual coil
|
Frequency |
110 Hz
|
The regulating oil valve (OCV) | |
Resistance |
7,4±0,5 Ohm at 20 °C
|
Adjusting data
Name
|
1,6 l
|
1,8 l
|
2,0 l
|
Frequency of rotation of idling, min. –1 |
750±100
|
700±100
|
700±100
|
Ignition advancing corner to VMT, ° |
9±5
|
6±5
|
8±5
|
Sealant
Data
|
Value
|
Block of the sensor of temperature of cooling liquid | LOCTITE 962T or equivalent |
Sensor of temperature of cooling liquid | No. 2310 or equivalent |
Moments of an inhaling, N • m
Data
|
Value
|
Bolts of fastening of the fuel highway |
10–15
|
The warmed oxygen sensor |
50–60
|
Sensor of an angle of rotation of a bent shaft |
9–11
|
Bolt of fastening of the sensor of a detonation |
16–25
|
Sensor of temperature of cooling liquid |
15–20
|
Bolts of fastening of the sensor of provision of a butterfly valve |
1,5–2,5
|
Bolts of fastening of throttle knot |
15–20
|