Repair Section
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7 Check the Exhaust Gas Recirculation (EGR)
system. (Refer to the EGR system check proce-
dure issued by the vehicle manufacturer.)
Repair or replace the EGR system.
8 Perform the accelerator pedal position sensor
function check. (Refer to the accelerator posi-
tion pedal sensor check procedure issued by
the vehicle manufacturer.)
Repair or replace the accelerator position sen-
sor and/or the corresponding circuit.
9 Check the boost pressure sensor and the corre-
sponding circuit. (Refer to the boost pressure
sensor check procedure issued by the vehicle
manufacturer.)
Repair or replace the boost pressure sensor
and/or the corresponding circuit.
10 Check the supply pump and the supply pump
drive circuit. (Refer to the supply pump drive cir-
cuit diagram issued by the vehicle manufac-
turer.)
Repair or replace the supply pump and drive cir-
cuit.
Troubleshooting complete
NG
OK
NG
OK
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OK
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OK
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