Model: 820 Naturally aspirated Year: 1996 on
- Make
- Rover
- Model
- 800 Workshop Manual
- Year
- 1996–1999
- Section
- Engine tuning data › Model: 820 Naturally aspirated Year: 1996 on
InformationModel: 820 Naturally aspirated Year: 1996 on
Model: 820 Naturally aspirated Year: 1996 on
Engine
| Type / Capacity | 20T4/1994 cm3 |
| Firing order | 1 - 3 - 4 - 2 |
| Compression ratio | 10 : 1 |
| Idle speed, controlled by the ECM * | |
| Manual transmission | 825 ± 50 rev/min |
| Automatic transmission** | 800 ± 50 rev/min |
| Fast idle speed, controlled by the ECM | 1150 rev/min |
| Maximum engine speed, controlled by the ECM | 6700 rev/min |
| Exhaust gas CO content at idle | 0.5% max. |
| Ignition timing at idle speed † | 14°BTDC (controlled by fuel ECM) |
Ignition Coil
| Type | Quad output |
| Part No | GCL 204 |
| Primary resistance at 20°C | 0.41 to 0.61 ohm |
Spark Plugs
| Type | GSP 6662 |
| Plug gap | 0.85 mm |
CAUTION: DO NOT disconnect h.t. lead from a spark plug to check for a misfire.
Engine Management System
| Type | Indirect multi-port fuel injection |
| MEMS 1.9 ECM: | |
| Manual transmission | MKC 103470 |
| Automatic transmission | MKC 103850 |
| Fuel pump | WFX 100630 |
| Fuel pressure regulator | MKW 10016 |
| Fuel pressure | 3.0 ± 0.2 bar constant |
| Injectors | MJY 10029 |
| Throttle position sensor | SLD 10010 |
| voltage throttle closed | 0.6 ± 0.1 V |
| voltage throttle fully open | 4.6 ± 0.1 V |
| Air temperature sensor | NNK 10001 |
| Fuel temperature sensor | MEK 10002 |
| Crankshaft position sensor | |
| Manual transmission | NSC 100330 |
| Automatic transmission | NSC 100340 |
| Knock sensor | ADU 8229 |
| Coolant temperature sensor | GTR 185 |
| Oxygen sensor | MHK 10004 |
| Fuel grade | 95 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 ** ’N’ selected †Crankshaft degrees and rev/min
Parts & tools for this job For 1996 Rover 800
- PARTEngine gasket setSearch: Rover 800 1996 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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