Hitachi Fault Code
Free · no signup0164-02
White Exhaust Smoke / Hard Start
System
Fuel System
Symptom
White Exhaust Smoke / Hard Start
Diagnosis & fix steps
LOGIC: High Pressure Common Rail Fuel Delivery Data Irrational.
ACTION: Check low-pressure lift pump delivery pressure (>3.5 bar). Perform high-pressure rail leak-down test with scan tool to pinpoint a leaking mechanical fuel pressure relief valve (PRV).
Red Seal field insights
Fuel Wear: Highly abrasive silica dust in poorly filtered field diesel scores high-pressure pump plungers and injector control seats, preventing stable pressure build-up.
Track this across your whole fleet
This code is free to read. AM Fleet Integrity lets your team log fault codes against assets, plus the full fault-code library, QR operator reporting, PM scheduling and predictive alerts. Start free — no credit card required.
Start your free trial