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Home >> Acura >> 1999 >> Integra GS-R, 2D Coupe >> Repair and Diagnosis >> Engine Performance >> Engine Controls - On-Vehicle Adjustments >> Ignition Timing >> Checking Ignition Timing >> Except Integra & 2.3CL
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Except Integra & 2.3CL

  1. Start engine and run at 3000 RPM, with no loads and transmission in Park or Neutral, until radiator fan comes on. Allow engine to idle. Locate 2-pin service check connector (under glove box). Install Service Check Connector Tool (07PAZ-0010100) into service check connector. See Fig 1 .
  2. On 3.0CL, connect inductive timing light to No. 1 spark plug wire. On 3.2TL, connect timing light to ignition coil No. 1 wire. On 3.5RL, remove strut brace and engine cover. Connect inductive timing light to No. 1 spark plug wire.
  3. On all models, ensure idle speed is within specification. See IDLE SPEED under IDLE SPEED & MIXTURE. Red mark on crankshaft pulley should align with pointer on front of engine. See Fig 2 . If timing is not as specified (Red mark and pointer are not aligned), replace ECM/PCM. Timing is not adjustable.
Fig 1: Installing Service Check Connector Tool
G96C01345Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 2: Identifying Ignition Timing Marks (V6 Shown; Others Are Similar)
G93A78063Courtesy of AMERICAN HONDA MOTOR CO., INC.
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