This instruction show you guide on how to repair JCB AGCO power trouble code K4714 intake air pressure out range error.More repair case for JCB,please refer to:JCB Trouble Repair
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The EEM monitoring system has detected that the intake 1 pressure sensor value is implausible.
Possible causes are:
The sensor wiring contact is loose.
The sensor wiring is defective.
The sensor is defective.
Reaction in EEM
The FC is stored and the warning lamp is activated. Engine power will be reduced (Degradation Level 3). The CAN message indicates active fault.
Solution
First save the error log and then erase it. Restart the ECU after erasing the error log. If the fault occurs again during the next driving cycle, check the following paths:
Check the intake 1 Boost and temperature sensor wiring, the connectors and the contact surfaces of the connector pins (possible oxidation).
Check the operation with another intake temperature and pressure sensor to see if the sensor is defective.