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Mahindra XUV 500 Diagnostic Manual page 223

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DIAGNOSTIC MANUAL
RAIL PRESSURE SENSOR
The rail pressure sensor is mounted on the common rail and is used to measure the rail pressure. The
EMs ECU determines the optimum fuel injection quantity at specific engine condition based on rail
pressure sensor
COMPONENT LOCATION
NORMAL
OPERATION
DTC DETECTING
CONDITION
PROBABLE
CAUSES
LAMP STATUS
DTC REACTION
HEALING
CONDITION
The repair methods given by the manufacturer in this document are based on the technical specifications, current at the time of release. The methods may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part of or whole of the present document,
are prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained personnel, at the Authorized Service Centre of Mahindra & Mahindra Ltd.,
will amount to unauthorized use and shall be liable for penalty/prosecution© 2011 Mahindra & Mahindra Ltd.
P0191 -
Rail pressure offset value above maximum limit
During after run the EMS ECU monitors the raw value of the rail pressure and is
within the limits
The raw value of the rail pressure sensor is above the maximum set point
during after run
Kinked /Blocked return line
Faulty rail pressure sensor
System Check lamp ON
Torque limitations in next ignition cycle
Ignition OFF/ON
EMS
MAN-00152
OCT 2011/Rev 1
222

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