OBD Guide

P2B01

Cylinder 2 Injection Pulse Performance

P2B01 is an OBD-II diagnostic trouble code meaning: Cylinder 2 Injection Pulse Performance. Common causes: malfunction of the fuel injector of cylinder 2, problems with wiring to the injector. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Rough engine operation
  • Misfire in cylinder 2
  • Reduced engine power
  • Increased fuel consumption
  • Floating idle speed

Causes

  • Malfunction of the fuel injector of cylinder 2
  • Problems with wiring to the injector
  • Low fuel pressure
  • Engine control unit malfunction
  • Nozzle contamination

How to Fix

  1. Check the resistance of the injector of cylinder 2
  2. Check the voltage supply to the injector
  3. Check fuel pressure
  4. Clean or replace the injector
  5. Check the operation of the engine control unit

Related codes

Error P2B01 by Vehicle Brand

FAQ

What does the P2B01 code mean?

P2B01 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Injection Pulse Performance

What causes a P2B01 error code?

The most common causes of P2B01 include: Malfunction of the fuel injector of cylinder 2; Problems with wiring to the injector; Low fuel pressure; Engine control unit malfunction.

How do I fix a P2B01 diagnostic trouble code?

To fix P2B01: Check the resistance of the injector of cylinder 2. Check the voltage supply to the injector. Check fuel pressure. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B01?

Limited driving only, diagnose soon

How much does it cost to fix P2B01?

The estimated repair cost for P2B01 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat