OBD Guide

P1348

Misfire During Start Cylinder 4

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–56 (est.)

Symptoms

  • The engine is difficult to start
  • Jerking on startup
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Is On

Causes

  • Spark plug fault in cylinder 4
  • Problems with the ignition coil
  • Clogged fuel injectors
  • Low compression in cylinder 4
  • Problems with wiring to cylinder 4

How to Fix

  1. Check the condition of the spark plug in cylinder 4
  2. Test the ignition coil
  3. Check the fuel injector of cylinder 4
  4. Measure the compression in the cylinder
  5. Check the integrity of the wiring to cylinder 4

Related codes

Error P1348 by Vehicle Brand