OBD Guide

P2892

Cylinder 1 Ion Current Sense Circuit Low

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

Symptoms

  • Check Engine light comes on
  • Possible misfire in the first cylinder
  • Reduced engine power
  • Deterioration of vehicle dynamics
  • Increased fuel consumption

Causes

  • Malfunction of the ion current sensor of cylinder 1
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the engine control unit
  • Mechanical damage to wiring

How to Fix

  1. Check the condition of the ion current sensor
  2. Check the integrity of the sensor circuit
  3. Inspect connectors and contacts for oxidation
  4. Check sensor circuit resistance
  5. If necessary, replace the sensor or repair the wiring

Related codes

Error P2892 by Vehicle Brand