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Home >> Infiniti >> 1990 >> M30 >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments >> Introduction >> Idle Speed

Idle Speed

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  1. Warm engine to normal operating temperature (needle is in middle of coolant gauge). Check idle speed. Disconnect AAC valve harness connector. Adjust idle speed as specified. See IDLE SPEED & CO LEVEL  table.
  2. Reconnect AAC valve harness connector. Run engine at 2000 RPM for about 2 minutes under no load and then return to idle. Idle speed should be as specified. See IDLE SPEED & CO LEVEL table.
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