OBD Guide

P2350

Cylinder 9 Pressure Variation High

P2350 is an OBD-II diagnostic trouble code meaning: Cylinder 9 Pressure Variation High. Common causes: faulty spark plug in cylinder 9, problems with the fuel injector of cylinder 9. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Engine vibration
  • Check Engine Light Illuminates

Causes

  • Faulty spark plug in cylinder 9
  • Problems with the fuel injector of cylinder 9
  • Worn piston rings or cylinder walls
  • Malfunction of cylinder 9 valves
  • Compression problems in the cylinder

How to Fix

  1. Check the condition of the spark plug in cylinder 9
  2. Diagnose the cylinder fuel injector
  3. Measure compression in cylinder 9
  4. Check the condition of the valves and piston group
  5. If necessary, replace worn parts

Related codes

Error P2350 by Vehicle Brand

FAQ

What does the P2350 code mean?

P2350 is an OBD-II diagnostic trouble code that indicates: Cylinder 9 Pressure Variation High

What causes a P2350 error code?

The most common causes of P2350 include: Faulty spark plug in cylinder 9; Problems with the fuel injector of cylinder 9; Worn piston rings or cylinder walls; Malfunction of cylinder 9 valves.

How do I fix a P2350 diagnostic trouble code?

To fix P2350: Check the condition of the spark plug in cylinder 9. Diagnose the cylinder fuel injector. Measure compression in cylinder 9. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2350?

Limited driving only, diagnose soon

How much does it cost to fix P2350?

The estimated repair cost for P2350 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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