Rover Mini - Page 41

INFORMATION
ENGINE TUNING DATA 3
Model: MPi
Engine
Type / Capacity 12A2LK70/1275 cm
3
.............................
Firing order 1 - 3 - 4 - 2................................
Compression ratio 10.0 : 1...........................
Idle speed, controlled by the ECM * 900 æ 50 rev/min.............
Exhaust gas CO content at idle less than 0.4% hot.................
Ignition timing at idle speed ¸c12°BTDC (nominal)..................
Valve rocker clearance (cold) 0.27 to 0.33 mm..................
Ignition Coil
Type Quad type dry......................................
Part No. NEC 1000710...................................
Primary resistance at 20°C 0.41 to 0.61 ohm....................
Secondary resistance at 20°C 6200 to 6700 ohm..................
Consumption at engine idle speed 4.7 to 6.7 amps..............
Spark Plugs
Type NGK BPR6E......................................
Plug gap 0.80 to 0.90 mm..................................
Engine Management System
Type Two point injection......................................
MEMS ECM MNE 104290................................
Fuel pump module WFX 100810...........................
Injector/fuel pressure regulator MKW 10016................
Fuel pressure 3.0 æ 0.2 bar constant..............................
Throttle position (TP) sensor MJC 10020...................
Intake air temperature (IAT) sensor NNK 10001..............
Crankshaft position (CKP) sensor ADU 7340...............
Camshaft position (CMP) sensor NSC 100390................
Engine coolant temperature (ECT) sensor MEK 100060........
Heated oxygen sensor (HO2S) MHK 10004.................
TP sensor voltage:
Throttle closed 0 to 1v.............................
Throttle open 90° 4to5v...........................
Throttle open 65° 3to4v...........................
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
¸c Crankshaft degrees and rev/min