Rover 820 - Page 124

1380 Rover 800 Series Remake
4D
General
System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Programmed fuel injection system with sequential injection
Idle speed:
2.5 litre engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 720 to 820 rpm
2.7 litre engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 670 to 770 rpm
Idle mixture CO content
Models without catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.25 to 0.75%
Models with catalytic converter * . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1%
* Non-adjustable - controlled by ECU
Fuel octane rating **:
Models without catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 RON leaded or 95 RON unleaded
Models with catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 RON unleaded only
** See text - Section 9
Fuel Pump
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nippon Denso, electric
Output pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 bar
Regulated pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 bar
Delivery rate (at 12 volts in 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . 230 cc
Torque wrench settings Nm lbf ft
Electronic idle control valve retaining bolts . . . . . . . . . . . . . . . . . . . . . . 22 16
Fast idle valve retaining bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 9
Fuel filter banjo union bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 28
Fuel pump banjo union bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 16
Fuel rail banjo union bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 16
Throttle body retaining nuts and bolts . . . . . . . . . . . . . . . . . . . . . . . . . . 22 16
Fuel tank drain plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 37
Fuel tank strap locknuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 16
Exhaust front pipes to manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 26
Exhaust section flange nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 26
Chapter 4 Part D: Fuel and exhaust systems –
Honda PGM-Fi 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 and intake components - removal and
refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Air cleaner element renewal . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Catalytic converter - general information and
precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .See Chapter 4E
Cruise control system - general information . . . . . . . . . . . . . . . . . . . 13
Cruise control system components - removal and refitting . . . . . . . 14
Exhaust manifold - removal and refitting . . . . . . . . . . .See Chapter 2A
Exhaust system - general information and component renewal . . . . 15
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
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
4D•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