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Home › Chevrolet › 2008 › Optra LT, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 1.6L › Diagnostic Information and Procedures › DTC P0510 › Component Testing

Component Testing

  1. Ignition OFF, disconnect the harness connector at the ISC motor.
  2. Test the resistance between the idle switch position terminal 6 and low reference terminal 8.
    • If the resistance does not change as the throttle is opened and closed, replace the throttle body.
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