Categories: Truck Repair

How to Repair HINO 600 Series Truck P0005 Fuel Cut Valve Sticking Trouble

This instruction show you guide on how to repair HINO 600 series truck P0005 fuel cut valve sticking trouble.

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Preparations:

Nexiq USB2 Diagnostic Adapter

2024.03 HINO Diagnostic Explorer DX3/DX2 Diagnostic Software Free Download

HINO Trucks EPC Electronic Parts Catalog 2018 2016 Free Download

 

 

Procedures:

1.Connect diagnostic interface,check DTC by HINO DX II diagnostic software

1) Set the starter switch to the “LOCK” position.

2) Connect the diagnostic system (HINO DXⅡ) to the vehicle.

3) Set the starter switch to the “ON” position.

4) Select [Engine] on the screen of HINO DXⅡand check if the DTC P0005, P0006, P0007, P016F has been detected.

If any DTC other than P005 detect,go to the relevant DTC specific troubleshooting,otherwise go to step 2.

 

2.Inspect the power supply for the fuel cut valve

1) Set the starter switch to the “LOCK” position.

2) Disconnect the connector from the fuel cut valve.

3) Set the starter switch to the “ON” position.

4) Using the electrical tester, measure the pressure between the fuel cut valve vehicle side connector FCV terminal and ground.

Meassure the standard value (8V or more),go to step 3 otherwise inspect the power supply circuit of the engine ECU.

 

3.Inspect the fuel cut valve downstream pipe 1

Check if any of the following defects is found in the pipe between the fuel cut valve and the fuel dosing valve.

  • Fuel leakage (loose joint bolt)
  • Crush
  • Wrong assembly

If you find any failure,repair or replace the defective part.After repair or replacement bleed air from the pipe

Otherwise go to step 4

 

4.Inspect the fuel cut valve downstream pipe 2

Bleed air from the fuel cut valve downstream pipe and also check that there is no clogging in the pipe.

  • Set the starter switch to the “ON” position.
  • Loosen the downstream side joint bolt.
  • Slowly push the feed pump on the fuel pump until fuel comes out.

 

CAUTION

Use care, as a large amount of fuel may come out if the feed pump is pushed excessively.

If fuel drained or bleeding air completed,repalce the fuel cut valve,otherwise go to step 5.

 

5.Inspect the fuel cut valve upstream pipe 1

Check if any of the following defects is found in the pipe between the fuel pump and the fuel cut valve.

  • Fuel leakage (loose joint bolt)
  • Crush
  • Wrong assembly

If you find any failure,repair or replace the defective part.After repair or replacement bleed air from the pipe

Otherwise go to step 6

 

6.Inspect the fuel cut valve upstream pipe 2

Bleed air from the fuel cut valve upstream pipe and also check that there is no clogging in the pipe.

  • Set the starter switch to the “ON” position.
  • Loosen the upstream side joint bolt.
  • Slowly push the feed pump on the fuel pump until fuel comes out.

 

CAUTION

Use care, as a large amount of fuel may come out if the feed pump is pushed excessively.

If fuel drained or bleeding air completed,repalce the fuel cut valve,otherwise clean or replace the fuel cut valve upstream pipe.

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