OBD Guide
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P2B16

Cylinder 4 Injection Pulse Offset Not Learned

P2B16 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Injection Pulse Offset Not Learned. Common causes: malfunction of the fuel injector of cylinder 4, problems with the injector electrical circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Rough engine idling
  • Increased fuel consumption
  • Reduced engine power
  • Possible misfire in cylinder 4
  • Check Engine light comes on

Causes

  • Malfunction of the fuel injector of cylinder 4
  • Problems with the injector electrical circuit
  • Fuel system contamination
  • Engine ECU malfunction
  • The need to adapt injection parameters

How to Fix

  1. Check the condition and functionality of the injector of cylinder 4
  2. Check the integrity of the injector electrical circuit
  3. Clean the fuel system
  4. Try to perform the injection parameters learning procedure
  5. If necessary, replace the injector or ECU

Related codes

P2B17P2B15P2B14

Error P2B16 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2B16 code mean?

P2B16 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Injection Pulse Offset Not Learned

What causes a P2B16 error code?

The most common causes of P2B16 include: Malfunction of the fuel injector of cylinder 4; Problems with the injector electrical circuit; Fuel system contamination; Engine ECU malfunction.

How do I fix a P2B16 diagnostic trouble code?

To fix P2B16: Check the condition and functionality of the injector of cylinder 4. Check the integrity of the injector electrical circuit. Clean the fuel system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B16?

Yes, but get it checked soon

How much does it cost to fix P2B16?

The estimated repair cost for P2B16 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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