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1997 TOYOTA CELICA

1.8L I4FWDAUTOMATICgas
Repairs0Labor593Torque3639Fluid6DTC654Battery1Maintenance0Recalls0
P2626moderate severityPowertrain

O2 Sensor Pumping Current Trim Circuit Open Bank 1 Sensor 1

on 1997 Toyota Celica 1.8L I4 · FWD

What this code means

Open circuit in the wideband O2 sensor trim circuit on bank 1.

Symptoms

  • Check engine light
  • Poor fuel economy
  • Rough running

Common causes

  • Failed wideband O2 sensor
  • Wiring damage
  • ECM circuit fault

Diagnostic steps

  1. Check sensor connector
  2. Measure sensor heater and signal circuits
  3. Inspect wiring

Repair notes

Replace wideband O2 sensor. Verify wiring.

Other Powertrain codes on this vehicle

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