OBD Guide

P2348

Cylinder 9 Pressure Sensor Circuit

P2348 is an OBD-II diagnostic trouble code meaning: Cylinder 9 Pressure Sensor Circuit. Common causes: open or short circuit in the sensor circuit, faulty cylinder pressure sensor. Estimated repair cost: $28–78.

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

FAQ

What does the P2348 code mean?

P2348 is an OBD-II diagnostic trouble code that indicates: Cylinder 9 Pressure Sensor Circuit

What causes a P2348 error code?

The most common causes of P2348 include: Open or short circuit in the sensor circuit; Faulty cylinder pressure sensor; Wiring harness damage; Problems with the ECU.

How do I fix a P2348 diagnostic trouble code?

To fix P2348: Check the sensor circuit for open and short circuits. Check the resistance of the pressure sensor. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2348?

Yes, but get it checked soon

How much does it cost to fix P2348?

The estimated repair cost for P2348 is $28–78. Actual cost depends on your vehicle, location, and labor rates.

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