OBD Guide

P2B07

Cylinder 8 Injection Pulse Performance

P2B07 is an OBD-II diagnostic trouble code meaning: Cylinder 8 Injection Pulse Performance. Common causes: malfunction of the injector of the 8th cylinder, problems in the injector control circuit. Estimated repair cost: $17–89.

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

FAQ

What does the P2B07 code mean?

P2B07 is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Injection Pulse Performance

What causes a P2B07 error code?

The most common causes of P2B07 include: Malfunction of the injector of the 8th cylinder; Problems in the injector control circuit; Low fuel pressure; Nozzle contamination.

How do I fix a P2B07 diagnostic trouble code?

To fix P2B07: Check the resistance of the injector of the 8th cylinder. Diagnose the injector control circuit. Check fuel pressure. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B07?

Limited driving only, diagnose soon

How much does it cost to fix P2B07?

The estimated repair cost for P2B07 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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