Isuzu — Fuel Water Removal Procedure
A Isuzu service procedure — check it applies to your exact model before use.
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Procedure
- 1. Remove water from fuel filter by opening drain valve
- 2. Allow fuel to drain completely
- 3. Close drain valve
Source: manual:ISUZU Instruction Manual 3LA1 3LB1 3LD1 2000.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.