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Isuzu
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2004
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Axiom Base, 4WD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - Diagnostic Information & Procedures
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General Description
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VVT (Variable Valve Timing) System
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(A) Advance (Initial Position)
(A) Advance (Initial Position)
The spool valve moves to right-hand side, the vane pump rotates to advance side.
Fig 1: Identifying Spool Valve Moves To Right-Hand Side
Courtesy of ISUZU MOTOR CO.