Workshop Manuals Factory service & repair Rover
01 Introduction02 General information03 Information04 Engine - KV605 Engine - diesel06 Engine - T Series07 Emission control08 Engine management system - MEMS09 Engine management system - EDC10 Fuel delivery system11 Cooling system - KV612 Cooling system - diesel13 Manifold & exhaust systems14 Clutch15 Manual gearbox - PG116 Manual gearbox - T75017 Automatic gearbox - JF403E18 Drive shafts19 Steering20 Brakes21 Restraint systems22 Body23 Air conditioning24 Wipers & washers25 Electrical26 Instruments
Rover 800 Workshop Manual (1996-1999)03 · Information
03 · General

Model: 820 Turbocharged Year: 1996 on

Make
Rover
Model
800 Workshop Manual
Year
1996–1999
Section
Engine tuning data › Model: 820 Turbocharged Year: 1996 on
InformationModel: 820 Turbocharged Year: 1996 on

Model: 820 Turbocharged Year: 1996 on

Engine

Type / Capacity20T4/1994 cm3
Firing order1 - 3 - 4 - 2
Compression ratio8.5 : 1
Idle speed, controlled by the ECM *825 ± 50 rev/min
Fast idle speed, controlled by the ECM1150 rev/min
Maximum engine speed, controlled by the ECM6700 rev/min
Exhaust gas CO content at idle0.5% max.
Ignition timing at idle speed †14°BTDC (controlled by fuel ECM)

Ignition Coil

TypeQuad output
Part NoGCL 204
Primary resistance at 20°C0.41 to 0.61 ohm

Spark Plugs

TypeGSP 6662
Plug gap0.85 mm

CAUTION: DO NOT disconnect h.t. lead from a spark plug to check for a misfire.

Engine Management System

TypeIndirect multi-port fuel injection
MEMS 1.9 ECMMKC 103800
Fuel pumpWFX 100630
  Fuel pressure regulatorMKW 10016
  Fuel pressure3.0 ± 0.2 bar constant
InjectorsMJY 10029
Throttle position sensorSLD 10010
  voltage throttle closed0.6 ± 0.1 V
  voltage throttle fully open4.6 ± 0.1 V
Air temperature sensorNNK 10001
Fuel temperature sensorMEK 10002
Crankshaft position sensorNSC 100330
Knock sensorADU 8229
Coolant temperature sensorGTR 185
Oxygen sensorMHK 10004
Fuel grade95 RON minimum - UNLEADED fuel

CAUTION: Do not use LEADED fuel as it will damage the catalyst. Serious damage to the engine may occur if a lower octane number fuel than that recommended is used.

* No electrical load present

†Crankshaft degrees and rev/min

Parts & tools for this job For 1996 Rover 800

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