Rover 820 - Page 100

1380 Rover 800 Series Remake
4A
General
System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indirect single-point injection with microprocessor control
ECU-controlled idle speed:
Manual transmission models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700 to 800 rpm
Automatic transmission models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650 to 750 rpm
Base idle speed:
Manual transmission models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625 to 675 rpm
Automatic transmission models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575 to 625 rpm
Idle mixture CO content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 to 3.0%
Throttle potentiometer voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 to 335 mV
Throttle lever lost motion gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 to 0.9 mm
Fuel octane rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 RON leaded or 95 RON unleaded
Fuel Pump
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nippon Denso, electric
Output pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 bar
Regulated pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 bar
Delivery rate (at 1.2 bar and 12 volts) . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 litres/hour
Voltage at pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.0 to 10.0 volts
Torque wrench settings Nm lbf ft
Inlet air temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5
Fuel filter banjo union bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 37
Throttle body to manifold nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 18
Fuel pump banjo union bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 16
Fuel tank drain plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 37
Fuel tank strap locknuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 13
Inlet manifold heater bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7
Exhaust front pipe to manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 22
Exhaust section flange nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 22
Exhaust heat shield retaining bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 18
Chapter 4 Part A: Fuel and exhaust systems –
Single-point injection engines
Accelerator cable - removal, refitting and adjustment . . . . . . . . . . . 3
Accelerator pedal - removal and refitting . . . . . . . . . . . . . . . . . . . . . 4
Accelerator cable and linkage check and lubrication . . .See Chapter 1
Air cleaner assembly - removal and refitting . . . . . . . . . . . . . . . . . . . 2
Air cleaner element renewal . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Exhaust manifold - removal and refitting . . . . . . . . . . .See Chapter 2A
Exhaust system - general information and component renewal . . . . 13
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
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
4A•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