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2002 MERCEDES-BENZ SL

3.0L I6•RWD•AUTOMATIC•gas
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Repairs0Labor564Torque3477Fluid7DTC698Battery1Maintenance0Recalls0
P2626moderate severityPowertrain

O2 Sensor Pumping Current Trim Circuit Open Bank 1 Sensor 1

on 2002 Mercedes-Benz SL 3.0L I6 · RWD

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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