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Home >> Volvo >> 1989 >> 780 GLE, AW71L >> Repair and Diagnosis >> Engine Performance >> Adjustments >> Throttle Switch Adjustment >> All Models
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All Models

  1. Ensure throttle valve is closed. Loosen TPS retaining screws. Turn TPS switch clockwise slightly.
  2. Turn TPS switch back again until a click is heard. Tighten retaining screws. Recheck setting. Open throttle slightly, a click should be heard. This indicates that switch is activating.
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