Reconnect the connector for the actuation pressure sensor. Refer to Troubleshooting, 'Electrical Connectors - Inspect' for troubleshooting details. Check for evidence of moisture in the connector. Disconnect the connector for the injection actuation pressure sensor. Verify the Operation of the Injection Actuation Pressure SensorĪ. If the engine oil level is low, add oil to the engine. If leakage is found between the hydraulic pump and the front housing, refer to Special Instructions, REHS3830 for details on replacing the seal.ī.

If leakage is found between the transfer pump and the hydraulic pump, refer to Special Instructions, REHS3830 for details. Note: Inspect the area near the high-pressure oil rail and the unit injector hydraulic pump. Clearly mark all leaks on returned parts. Inspect the engine for oil leaks in the HEUI oil rail. Repair: Troubleshoot the codes as required.Ī. Results: Active codes or logged codes are present. Results: There are no active codes or logged codes. Refer to Testing and Adjusting, 'Test For The Water Temperature Gauge' for the proper procedure.ĭocument all active diagnostic codes or logged diagnostic codes. Verify that the engine coolant temperature sensor is operating properly. The diagnostic codes should become active within 30 seconds.Į. Check for active diagnostic codes or logged diagnostic codes. Print the 'Lifetime Totals' and the 'Configuration' screen.ĭ. Connect the Cat ® Electronic Technician (ET) to the data link connector.ī. Show/hide table Table 1 Troubleshooting Test StepsĪ.

Cat c7 iap valve location