OBD Guide

P2B07

Cylinder 8 Injection Pulse Performance

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Power Loss
  • Misfire in cylinder 8
  • Check Engine Light Illuminates

Causes

  • Malfunction of the injector of the 8th cylinder
  • Problems in the injector control circuit
  • Low fuel pressure
  • Nozzle contamination
  • Engine ECU malfunction

How to Fix

  1. Check the resistance of the injector of the 8th cylinder
  2. Diagnose the injector control circuit
  3. Check fuel pressure
  4. Clean or replace the injector
  5. If necessary, replace the engine ECU

Related codes

Error P2B07 by Vehicle Brand