Isuzu 4HK Fuel System Check





2005 to Present 4HK 5.2L Isuzu Fuel System Check

This PDF is valuable service information that directs the service technician to the appropriate fuel system diagnosis.

This troubleshooting procedure is the recommended procedure direct from Isuzu.

It is designed to test the integrity of the common rail fuel system used Isuzu N-Series and GMC W-Series equipped with a 4HK-1  Diesel Engine.

Tools needed:

  • Isuzu Diagnostic Software or equivalant
  • Fuel Line Adapters
  • Mighty-Vac

Fuel Return Volume Tester available for rent at a discount when purchasing this product

 For more details

Call 888-253-3789 or email


You will need Adobe Reader to read this PDF file.



There are no reviews yet.

Be the first to review “Isuzu 4HK Fuel System Check”