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