Fuel And Exhaust Systems - Petrol Engines - Opel Zafira B MPV 2006 Owners Workshop Manual

Chapter 4 Part.A:
Fuel and exhaust systems - petrol engines
Contents
Section number
Accelerator pedal/position sensor - removal and refitting. . . . . . . . . 3
Air cleaner assembly and intake ducts - removal and refitting . . . . . 2
Exhaust manifold (1.6 litre engines) - removal and refitting ........ 18
Exhaust manifold (1.8 litre engines) - removal and refitting ........ 19
Exhaust manifold (2 .2 litre engines) - removal and refitting . . . . . . . . 20
Exhaust system - general information, removal and refitting ...... 21
Fuel gauge sender unit - removal and refitting . . . . . . . . . . . . . . . . . 6
Fuel injection system - depressurisation . . . . . . . . . . . . . . . . . . . . . . 5
Fuel injection systems - general information . . . . . . . . . . . . . . . . . . . 1 O
Fuel injection system components - testing ................... 11
Fuel supply pump - removal and refitting . . . . . . . . . . . . . . . . . . . . . 7
Degrees of difficulty
Section number
Fuel tank - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
General information and precautions. . . . . . . . . . . . . . . . . . . . . . . . . 1
Intake manifold (1.6 litre engines) - removal and refitting ......... 15
Intake manifold (1 .8 litre engines) - removal and refitting . . . . . . . . . 16
Intake manifold (2.2 litre engines) - removal and refitting ......... 17
Multec-S injection system components - removal and refitting . . . . 12
Simtec 75.1 injection system components - removal and refitting .. 13
Simtec 81.1 injection system components - removal and refitting .. 14
Throttle housing - removal and refitting. . . . . . . . . . . . . . . . . . . . . . . 9
Unleaded petrol - general information and usage . . . . . . . . . . . . . . 4
Easy, suitable for
novice with little
experience
~
I
Fairly easy, suitable~
I
Fair1y difficult,
~
I
Difficult, suitable
~
I
Very difficult,
~
~
for beginner with
~
suitable for competent~ for experienced DIY
~
suitable for expert
~
~
some experience
' ° '
DIY mechanic
' ° '
mechanic
' ° '
DIY or professional
' ° '
Specifications
System type
1.6 litre engines . . . . . . . . . ................................ .
1.8 litre engines . . . . . . . . . . . . . . . . . . . • . .................... .
2.2 litre engines .......................................... .
Fuel system data
1.6 and 1.8 litre engines:
Fuel supply pump type ............•.......................
Fuel pump regulated constant pressure. . ................... .
Specified idle speed . . . . . .......................... .
Idle mixture CO content •...................................
2 .2 litre engines:
Fuel pump type:
Supply pump ........................................ .
High-pressure pump....... . . . . . . . . . . . . . . . . . . . . . . . ... .
Fuel supply pump delivery pressure ......................... .
Fuel system operating pressure ........................... .
Specified idle speed .........................•............
Idle mixture CO content .................................. .
Recommended fuel
Minimum octane rating ..
Multec-S multipoint injection
Simtec 75.1 multipoint injection
Simtec 81.1 high-pressure direct injection
Electric, immersed in tank
3.8 bar
Not adjustable - controlled by ECU
Not adjustable - controlled by ECU
Electric, immersed in tank
Mechanical, driven by intake camshaft
4.2 bar
40to110bar
Not adjustable - controlled by ECU
Not adjustable - controlled by ECU
95 RON unleaded (UK premium unleaded)
Leaded fuel or LRP must NOT be used