Back to 2006 Lexus ES 330

2006 LEXUS ES 330

3.3L V6FWDAUTOMATICgas
Repairs0Labor591Torque3459Fluid6DTC844Battery0Maintenance0Recalls0
P2626moderate severityPowertrain

O2 Sensor Pumping Current Trim Circuit Open Bank 1 Sensor 1

on 2006 Lexus ES 330 3.3L V6 · 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

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →