OBD Guide
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P2B88

Intake Air O2 Sensor Circuit Bank 1

P2B88 is an OBD-II diagnostic trouble code meaning: Intake Air O2 Sensor Circuit Bank 1. Common causes: intake air oxygen sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Deterioration in acceleration dynamics
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Possible misfires

Causes

  • Intake air oxygen sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Sensor contamination
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor wires and connectors
  2. Check the resistance and voltage in the sensor circuit
  3. Clean or replace the oxygen sensor
  4. Check the operation of the engine control unit
  5. Reset the error code and check for its reappearance

Related codes

P2B89P2B8AP2B8B

Error P2B88 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2B88 code mean?

P2B88 is an OBD-II diagnostic trouble code that indicates: Intake Air O2 Sensor Circuit Bank 1

What causes a P2B88 error code?

The most common causes of P2B88 include: Intake air oxygen sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor contamination.

How do I fix a P2B88 diagnostic trouble code?

To fix P2B88: Check the integrity of the sensor wires and connectors. Check the resistance and voltage in the sensor circuit. Clean or replace the oxygen sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B88?

Yes, but get it checked soon

How much does it cost to fix P2B88?

The estimated repair cost for P2B88 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat