OBD Guide

P227E

Barometric Pressure Sensor C Circuit Intermittent/Erratic

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Problems starting the engine

Causes

  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Malfunction of the barometric pressure sensor itself
  • Wiring Harness Problems
  • Engine ECU malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the sensor connector for oxidation or damage.
  3. Check sensor resistance and voltage
  4. Replace barometric pressure sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P227E by Vehicle Brand