OBD Guide

P2B18

Cylinder 5 Injection Pulse Offset Not Learned

P2B18 is an OBD-II diagnostic trouble code meaning: Cylinder 5 Injection Pulse Offset Not Learned. Common causes: malfunction of the fuel injector of cylinder 5, problems with wiring to the injector. Estimated repair cost: $17–111.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–111 (est.)

Symptoms

  • Uneven engine operation
  • Increased fuel consumption
  • Reduced engine power
  • The engine can triple
  • Vibrations may occur

Causes

  • Malfunction of the fuel injector of cylinder 5
  • Problems with wiring to the injector
  • Nozzle contamination
  • Engine ECU malfunction
  • Problems with the fuel pump

How to Fix

  1. Check the resistance of the injector of cylinder 5
  2. Inspect the condition of the wiring to the injector
  3. Check the operation of the fuel pump
  4. Clean the fuel system
  5. If necessary, replace the fuel injector

Related codes

Error P2B18 by Vehicle Brand

FAQ

What does the P2B18 code mean?

P2B18 is an OBD-II diagnostic trouble code that indicates: Cylinder 5 Injection Pulse Offset Not Learned

What causes a P2B18 error code?

The most common causes of P2B18 include: Malfunction of the fuel injector of cylinder 5; Problems with wiring to the injector; Nozzle contamination; Engine ECU malfunction.

How do I fix a P2B18 diagnostic trouble code?

To fix P2B18: Check the resistance of the injector of cylinder 5. Inspect the condition of the wiring to the injector. Check the operation of the fuel pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B18?

Yes, but get it checked soon

How much does it cost to fix P2B18?

The estimated repair cost for P2B18 is $17–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat