OBD Guide

P2627

O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 1

P2627 is an OBD-II diagnostic trouble code meaning: O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 1. Common causes: faulty oxygen sensor bank 1 sensor 1, open or short circuit in the wiring to the sensor. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Increased fuel consumption
  • Unstable engine idling
  • Reduced engine power
  • Possible misfires

Causes

  • Faulty oxygen sensor Bank 1 Sensor 1
  • Open or short circuit in the wiring to the sensor
  • Poor contact in sensor connectors
  • Corroded contacts or damaged wire insulation
  • Malfunction of the engine control unit (rare)

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Measure the resistance and voltage in the sensor circuit
  3. Clean connector contacts from corrosion
  4. Replace a faulty oxygen sensor
  5. If necessary, check and replace damaged wires

Related codes

Error P2627 by Vehicle Brand

FAQ

What does the P2627 code mean?

P2627 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 1

What causes a P2627 error code?

The most common causes of P2627 include: Faulty oxygen sensor Bank 1 Sensor 1; Open or short circuit in the wiring to the sensor; Poor contact in sensor connectors; Corroded contacts or damaged wire insulation.

How do I fix a P2627 diagnostic trouble code?

To fix P2627: Check the integrity of the sensor wiring and connectors. Measure the resistance and voltage in the sensor circuit. Clean connector contacts from corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2627?

Yes, but get it checked soon

How much does it cost to fix P2627?

The estimated repair cost for P2627 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat