OBD Guide

P235B

Cylinder 10 Combustion Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Loss of engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Jerking during acceleration
  • Check Engine Light Illuminates

Causes

  • Faulty spark plug in cylinder 10
  • Problems with the fuel injector of cylinder 10
  • Low compression in cylinder 10
  • Ignition coil malfunction
  • Air supply problems (air leaks)

How to Fix

  1. Check the condition of the spark plug in cylinder 10
  2. Diagnose fuel injector operation
  3. Check compression in cylinder
  4. Inspect the ignition coil and high-voltage wires
  5. Check the tightness of the intake tract

Related codes

Error P235B by Vehicle Brand