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Home >> Infiniti >> 1994 >> G20 Automatic, 1RL4F03V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> Optical Ignition System Checks >> Spark

Optical Ignition System Checks: Spark

Disconnect ignition wire from spark plug. Connect a known good plug to ignition wire and ground spark plug. Crank engine and check for spark at spark plug. Crank engine in short bursts. DO NOT  crank engine more than 2 seconds continuously. Repeat for each spark plug.

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