Kubota 07-CR-E5 - Fuel High Temperature (DTC P0181; 174-0)

COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S171
(12) Fuel High Temperature (DTC P0181 / 174-0)
Behaviour during malfunction:
•None
Detection item:
• Fuel temperature high
DTC set preconditions:
• Passed 300 sec. after cranking
• Engine speed is 800 min
-1
(rpm) or more
• Fuel temperature sensor is normal
DTC set parameter:
• Fuel temperature higher than 90 °C (194 °F)
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• Output limitation: Approximately 75 % of normal condition
Recovery from error:
• Diagnostic counter = zero or Key switch turn OFF
9Y3200007CRS0222US0
1. Check the Fuel System
1. Check in accordance with "6.[2] FUEL SYSTEM INSPECTION
PROCEDURE". (Refer to page 1-S321)
NOTE
• If the machine has a fuel fooler, check whether the fuel
cooler is installed to the proper position.
• Check whether the cooling performance does not decrease
due to dust.
• Check whether the fuel pipe is appropriate.
• Check the clogging condition of the fuel filter. If it is very
dirty, replace the new one.
9Y3200007CRS0223US0
2. Check the Fuel Temperature Sensor (*Refer to Items P0182
and P0183)
1. Check the fuel temperature sensor. (Refer to page 1-S172)
9Y3200007CRS0224US0
OK Go to "2. Check the Fuel Temperature sensor (Refer to items P0182 and
P0183)".
NG Repair in accordance with "6.[2] FUEL SYSTEM INSPECTION
PROCEDURE". (Refer to page 1-S321)
(1) Fuel Hose
OK Normal.
NG Replace the SCV or supply pump unit (under warranty). (Or its related
parts. Follow the diagnostic procedure of items P0182 and P0183.)
(Refer to page 1-S172)
(a) CAN1 Connector
KiSC issued 03, 2022 A