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Home >> Lexus >> 1994 >> SC 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Poor Idling >> Incorrect First Idle

Incorrect First Idle

POOR IDLING; INCORRECT FIRST IDLE

When the malfunction code is not confirmed in the diagnostic trouble code check and the problem still cannot be confirmed in the basic inspection, then proceed to this step and perform troubleshooting according to the numbered order given below.

1. Switch Condition Signal Circuit
2. Idle Air Control Valve Circuit

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