P0510 – Closed Throttle Position Switch

Description

The ECM detects a malfunction in the closed throttle position switch.

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Symptoms

  • High idle
  • Poor acceleration
  • Hesitation

Causes

  • Faulty TPS switch
  • Wiring issues
  • Dirty throttle body

Diagnosis

  • Monitor TPS data
  • Inspect wiring
  • Check throttle plate

Repair

  • Replace TPS
  • Clean throttle body
  • Repair wiring