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P0435low severityPowertrain

Catalyst Temperature Sensor Circuit (Bank 2)

on 1997 Ford Probe 2.5L V6 · FWD

What this code means

The catalyst temperature sensor on bank 2 is out of its expected range or has a circuit fault. The PCM cannot properly monitor catalytic converter temperature.

Symptoms

  • Check engine light on
  • Possible failed emissions test
  • No obvious drivability change

Common causes

  • Faulty catalyst temperature sensor
  • Damaged wiring or connector
  • Corroded sensor terminals
  • Bad PCM

Diagnostic steps

  1. Retrieve code and freeze frame
  2. Inspect sensor and wiring on bank 2
  3. Measure sensor resistance and signal
  4. Replace temperature sensor and retest

Other Powertrain codes on this vehicle

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