OBD Guide

P2348

Cylinder 9 Pressure Sensor Circuit

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–78 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine light comes on
  • Reduced engine power
  • Misfires

Causes

  • Open or short circuit in the sensor circuit
  • Faulty cylinder pressure sensor
  • Wiring harness damage
  • Problems with the ECU
  • Poor contact in the sensor connector

How to Fix

  1. Check the sensor circuit for open and short circuits
  2. Check the resistance of the pressure sensor
  3. Inspect connectors and wiring harness for damage
  4. Replace pressure sensor if necessary
  5. Check and reflash the ECU if there are errors

Related codes

Error P2348 by Vehicle Brand