Specifications of the power system and engine control

Common parameters

Fuel - See Specifications for Chapter 1.

Fuel Tank - See Specifications for Chapter 1.

Specific fuel consumption / CO2 emission - see Specifications to the Chapter «Controls and methods of operation».

Power system type

Petrol models

All models are equipped with a multiport sequential injection system controlled by the ECM. The injection is carried out in the intake ports of the cylinders.

Diesel models

All models are equipped with an electronically controlled direct injection system. Z19DT engines (H) /Y30DT common rail («Common Rail»).

Type of engine management system (ECM)

trade designationEngine brand	1.6 Z16XE	1.8 Z18XE	2.0 Turbo Z20NET	2.2 Z22SE	2.2 direct Z22YH	3.2 V6 Z32SE	1.9 CDTI Z19DT	1.9 CDTI Z19DTH	2.0 DTI Y20DTH	2.2 DTI Y22DTR	3.0 V6 CDTI Y30DT
ECM type	Multec S	Simtec71	Trionic 8	GMPT-E15	Simtec 81	ME 3.1.1	EDC 16C9	EDC 16C9	PSG 16	PSG 16	Denso-0100

Power System Specifications

Type of low pressure fuel pump - Electric, submersible, placed inside the fuel tank.

High pressure fuel pump.

Diesel engines Z19DT (H) /Y30DT and petrol models with a turbocharger - injection pump «Common Rail» (without fuel distribution function)

Diesel engines

Y20DTH / Y22DTR - distributor-type injection pump

Adjustment data

On both petrol and diesel models, the power system is controlled by electronic devices. The regulation of any parameters of the power system should be carried out only at the service station using special diagnostic equipment.

Tightening force of threaded connections, Nm

All engines

Nuts of fastening of a pedal of gas — 12


Bolts of fastening of assembly strips of a fuel tank - 20

Nuts of fastening of elements of system of release of the fulfilled gases:

• front pipe nuts (except Z32SE) — 20
• Nuts of connecting collars - 50

Gasoline engines

Fuel rail mounts - 8

Union nuts for fastening fuel lines to the fuel distribution line - 15

Nut of fastening of a cable of weight to the generator — 15

Engines Z16XE/Z18XE

Lambda probes - 30

Z22YH/Z22SE/Z20NET engines

Lambda probes - 30

Z32SE engine

Nuts of fastening of system of release of the fulfilled gases — 30

Lambda probes - 40

Diesel engines

Nuts of a collar of fastening of the fuel filter — 25

Engine Z19DTH

Glow plugs - 8

High pressure fuel pump fastening nuts - 25

Soot filter:

• Fastening the front joint - 20
• Cap nut temperature sensor - 55
• Bracket mounting bolts - 20

Engine Y20DTH/Y22DTR

Glow plugs - 10

Y30DT engines

Glow plugs - 18

High pressure fuel pump mounting bolts - 21

Injector bracket bolts:

• M6 - 5
• M8 - 20