Rover 820 - Page 110

1380 Rover 800 Series Remake
4B
General
System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indirect multi-point injection with microprocessor control
ECU-controlled idle speed:
Manual transmission models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850 to 950 rpm
Automatic transmission models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800 to 900 rpm
Base idle speed:
Manual transmission models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 725 to 775 rpm
Automatic transmission models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 675 to 725 rpm
Idle mixture CO content:
Non-catalyst equipped engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 to 1.5%
Catalyst equipped engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.25%
Throttle potentiometer voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 to 335 mV
Fuel octane rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 RON leaded or 95 RON unleaded
Fuel Pump
Type:
Normally-aspirated engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nippon Denso, electric
Turbocharged engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AC electric
Output pressure:
Normally-aspirated engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 bar
Turbocharged engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 bar
Regulated pressure range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 to 2.3 bar
Delivery rate (at 3.0 bars and 12 volts):
Normally-aspirated engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 litres/hour
Turbocharged engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 litres/hour
Turbocharger
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Garret T25
Wastegate opening pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.34 to 0.36 bar
Chapter 4 Part B: Fuel and exhaust systems –
Lucas multi-point injection engines
Accelerator cable - removal, refitting and adjustment . . . . . . . . . . . 3
Accelerator cable and linkage check and lubrication . . .See Chapter 1
Accelerator pedal - removal and refitting . . . . . . . . . . . . . . . . . . . . . 4
Air cleaner assembly - removal and refitting . . . . . . . . . . . . . . . . . . . 2
Air cleaner element renewal . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Catalytic converter - general information and
precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .See Chapter 4E
Exhaust manifold - removal and refitting . . . . . . . . . . .See Chapter 2A
Exhaust system - general information and component renewal . . . . 16
Exhaust system check . . . . . . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Fuel filter renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Fuel gauge sender unit - removal and refitting . . . . . . . . . . . . . . . . . 7
Fuel injection system - general information . . . . . . . . . . . . . . . . . . . 10
Fuel injection system - testing and adjustment . . . . . . . . . . . . . . . . 11
Fuel injection system components - removal and refitting . . . . . . . . 12
Fuel pump - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Fuel system - depressurisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Fuel tank - removal, inspection and refitting . . . . . . . . . . . . . . . . . . . 8
General information and precautions . . . . . . . . . . . . . . . . . . . . . . . . 1
Inlet manifold - removal and refitting . . . . . . . . . . . . . .See Chapter 2A
Oxygen sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .See Chapter 4E
Turbocharger - description and precautions . . . . . . . . . . . . . . . . . . 13
Turbocharger - examination and renovation . . . . . . . . . . . . . . . . . . . 15
Turbocharger - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . 14
Underbody fuel/brake line check . . . . . . . . . . . . . . . . . . .See Chapter 1
Underbonnet check for fluid leaks and hose condition . .See Chapter 1
Unleaded petrol - general information and usage . . . . . . . . . . . . . . . 9
4B•1
Specifications
Contents
Easy, suitable for
novice with little
experience
Fairly easy, suitable
for beginner with
some experience
Fairly difficult,
suitable for competent
DIY mechanic
Difficult, suitable for
experienced DIY
mechanic
Very difficult,
suitable for expert DIY
or professional
Degrees of difficulty
5
4
3
2
1