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Nissan-Datsun
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2004
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Altima Base, Automatic
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Repair and Diagnosis
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Engine Performance
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Engine Control System - 2.5L
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Basic Service Procedure
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Idle Speed and Ignition Timing Check
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Ignition Timing
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Method A
Method A
Slide the harness protector off the ignition coil No. 1 to clear the wires.
Attach timing light to the wires.
Check ignition timing.
Fig 1: Attaching Timing Light To Wires
Courtesy of NISSAN MOTOR CO., U.S.A.