OBD Guide

P2B1E

Cylinder 8 Injection Pulse Offset Not Learned

P2B1E is an OBD-II diagnostic trouble code meaning: Cylinder 8 Injection Pulse Offset Not Learned. Common causes: cylinder 8 injector malfunction, problems in the injector electrical circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Uneven engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Possible misfire in cylinder 8
  • Check Engine light comes on

Causes

  • Cylinder 8 injector malfunction
  • Problems in the injector electrical circuit
  • Dirty or worn injector
  • Low fuel pressure
  • Mechanical problems of cylinder 8

How to Fix

  1. Check the condition of the injector of cylinder 8
  2. Check the electrical circuit of the injector for opens and shorts
  3. Check the fuel pressure in the system
  4. Clean or replace the nozzle if necessary
  5. Perform the injector adaptation procedure using diagnostic equipment

Related codes

Error P2B1E by Vehicle Brand

FAQ

What does the P2B1E code mean?

P2B1E is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Injection Pulse Offset Not Learned

What causes a P2B1E error code?

The most common causes of P2B1E include: Cylinder 8 injector malfunction; Problems in the injector electrical circuit; Dirty or worn injector; Low fuel pressure.

How do I fix a P2B1E diagnostic trouble code?

To fix P2B1E: Check the condition of the injector of cylinder 8. Check the electrical circuit of the injector for opens and shorts. Check the fuel pressure in the system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B1E?

Yes, but get it checked soon

How much does it cost to fix P2B1E?

The estimated repair cost for P2B1E is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat