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HOSE AS 3930906 - Caterpillar


3930906 HOSE AS Caterpillar parts
Rating:
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Alternative (cross code) number:
CA3930906
393-0906
3930906
Caterpillar 3930906 HOSE AS

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$12.99

01 Sep 2025

US: Zbox Global, LL
3930906 Valve Cover Gasket fits Cummins Several
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14 Aug 2025

CN: cang nan xian a
6PCS Valve Cover Gasket Set 3930906 3902666 Compatible for Cummins 4BT 3.9L 6BT 5.9L Engine 12V
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$15.99

14 Aug 2025

US: Zbox Global, LL
3930906 Valve Cover Gasket fits Cummins Several
ZBOX 【FITMENT MODELS】 Fits Cummins Several || 【AMERICAN OWNED & OPERATED】Fully owned and operated within the United States, our business is dedicated to contributing to local economies, supporting American jobs, and fostering community growth. || 【QUALITY REPLACEMENT】Engineered for durability and performance, our parts meet or exceed OEM specifications. Ideal for construction and agriculture machinery, ensuring reliability and efficiency in tough working conditions. || 【PACK SIZE】This product is a pack of 1, making it easy to stock up and ensure you have the necessary parts on hand for maintenance.
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Information:

Use this procedure to troubleshoot the electrical system if a problem is suspected with a supply circuit or if any one of the diagnostic codes in Table 1 is active or easily repeated.
Table 1
Diagnostic Codes
CDL Code and Description Conditions which Generate this Code System Response
262-3
5 Volt Sensor DC Power Supply:Voltage Above Normal The analog sensor supply voltage is above normal for one second.
The ECM has been powered for 3 seconds. The code is logged.
All sensors are set to default values.
Dosing is disabled until the problem is correct.
262-4
5 Volt Sensor DC Power Supply:Voltage Below Normal The analog sensor supply voltage is below normal for one second.
The ECM has been powered for 3 seconds.
2131-3
5 Volt Sensor DC Power Supply #2:Voltage Above Normal The analog sensor supply voltage is above normal for one second.
The ECM has been powered for 3 seconds.
2131-4
5 Volt Sensor DC Power Supply #2:Voltage Below Normal The analog sensor supply voltage is below normal for one second.
The ECM has been powered for 3 seconds. System OperationThe ECM supplies a regulated voltage of 5.0 0.2 VDC to the sensors.The supply voltage for the analog sensors is routed from the ECM to terminal 1 of each sensor connector. The analog sensor return for the sensors is routed from the ECM to terminal 2 of each sensor connector. The ECM provides short circuit protection for the internal power supply. A short circuit to the battery will not damage the internal power supply.Note: The sensors are not protected from overvoltage. A short from the supply line to the +Battery may damage the sensors. If any of the -3 diagnostic codes are active, it is possible that a sensor has been damaged. Repair the sensor supply and check for any active sensor diagnostic codes in order to determine if a sensor has failed.
Illustration 1 g03323714
Schematic for the sensor supply circuit
Test Step 1. Inspect the Electrical Connectors and the Wiring
Remove electrical power from the ECM. Turn the keyswitch to the OFF position.
Thoroughly inspect all connectors for the analog sensor circuit. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
Illustration 2 g01422120
Sensor connector
(1) Analog sensor supply
(2) Analog sensor return
(3) Sensor signal
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connectors that are associated with the circuit.
Check the allen head screw for each of the ECM connectors for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
Check the harness and wiring for abrasion and for pinch points from the sensors back to the ECM. Expected Result:All connectors, pins, and sockets are completely coupled and/or inserted and the harness and wiring are free of corrosion, of abrasion and of pinch points.Results:
OK - The harness and connectors appear to be OK. Proceed to Test Step 2.
Not OK - There is a problem with the connectors and/or wiring.Repair: Repair the connectors or wiring and/or replace the connectors or wiring. Ensure that all of the seals are properly in place and ensure that the connectors are completely coupled.Verify that the repair


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