DIAGNOSTIC MANUAL
MAN-00152
EMS
OCT 2011/Rev 1
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.
286
P1B87 - Maximum positive Rail pressure deviation exceeded
NORMAL
OPERATION
The ECU compares the rail pressure monitored through the rail pressure sensor
against the expected pressure generated due to HPP ( Based on MPROP
position and the engine RPM and coolant temperature )
DTC DETECTING
CONDITION
The positive governor deviation is more than the range
PROBABLE
CAUSES
Leak on fuel lines
Defective fuel tank cap
Defective fuel filter
Fuel tank strainer choked
Injector struck in open condition
M prop valve struck
LAMP STATUS
System check lamp ON
DTC REACTION
Torque limitation
HEALING
CONDITION
Ignition OFF/ON