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Nissan-Datsun
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2005
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Sentra SE-R Spec V
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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 - Introduction (Qr25DE)
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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 B
Method B
Remove No. 1 ignition coil.
Fig 1: Locating No. 1 Ignition Coil
Courtesy of NISSAN MOTOR CO., U.S.A.
Connect No. 1 ignition coil and No. 1 spark plug with suitable high-tension wire as shown in
Fig 2
, and attach timing light clamp to this wire.
Fig 2: Connecting No. 1 Ignition Coil And No. 1 Spark Plug With High-Tension Wire
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Identifying Suitable High-Tension Wire
Courtesy of NISSAN MOTOR CO., U.S.A.
Check ignition timing.
Fig 4: Identifying Ignition Timing Marks On Crankshaft Pulley
Courtesy of NISSAN MOTOR CO., U.S.A.