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Rover 400 LUCUS Fault Codes

Lucas 14CUX


12 Mass airflow (MAF) sensor or MAF sensor circuit
14 Coolant temperature sensor (CTS) or CTS circuit
15 Fuel temperature sensor (FTS) or FTS circuit
17 Throttle pot sensor (TPS) or TPS circuit
18 Throttle pot sensor (TPS) or TPS circuit
19 Throttle pot sensor (TPS) or TPS circuit
21 Electronic control module (ECM) or ECM circuit
25 Ignition misfire
28 Air leak
29 Electronic control module (ECM) memory check
34 Injector, bank A or injector circuit
36 Injector, bank B or injector circuit
40 Misfire, bank A or circuit
44 Oxygen sensor (OS) A or OS circuit (lambda sensor A)
45 Oxygen sensor (OS) B or OS circuit (lambda sensor B)
48 Idle air control valve (IACV) or IACV circuit
50 Misfire, bank B or circuit
59 Group fault - air leak or fuel supply
68 Vehicle speed sensor (VSS) or VSS circuit
69 Gear selector switch or circuit
88 Carbon filter solenoid valve (CFSV) or CFSV circuit




Rover 400 MEMS Fault Codes

Rover MEMS


No numerical fault codes are produced by Rover MEMS. The faults are displayed on the T4.
Problems in any of the following engine components will cause a fault to be stored.

Airflow sensor
Carbon filter solenoid valve
CO resistor
Coolant temperature sensor (CTS) or CTS circuit
Fuel pressure regulator
Fuel pump relay
Fuel temperature sensor
Idle speed stepper motor
Injector valves
Oxygen sensor (OS) or OS circuit
Throttle pot sensor (TPS) or TPS circuit
Vehicle speed sensor







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