OBD Guide
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P00BF

Mass or Volume Air Flow B Circuit Range/Performance - Air Flow Too High

P00BF is an OBD-II diagnostic trouble code meaning: Mass or Volume Air Flow B Circuit Range/Performance - Air Flow Too High. Common causes: faulty mass air flow sensor (maf), contamination of the air flow sensor. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Loss of engine power
  • Unstable engine idling
  • Increased fuel consumption
  • Difficulty starting the engine

Causes

  • Faulty mass air flow sensor (MAF)
  • Contamination of the air flow sensor
  • Problems in the power supply or grounding circuit of the mass flow sensor
  • Open or short circuit in the MAF wiring harness
  • Engine ECU malfunction

How to Fix

  1. Check the condition of the air flow sensor for contamination
  2. Check the integrity of the wiring harness and the mass air flow sensor connector
  3. Check the parameters of the power supply and grounding circuits of the mass flow sensor
  4. Clean or replace the mass air flow sensor if necessary
  5. Reset the error and check if it returns

Related codes

P0100P0101P0102P0103

Error P00BF by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P00BF code mean?

P00BF is an OBD-II diagnostic trouble code that indicates: Mass or Volume Air Flow B Circuit Range/Performance - Air Flow Too High

What causes a P00BF error code?

The most common causes of P00BF include: Faulty mass air flow sensor (MAF); Contamination of the air flow sensor; Problems in the power supply or grounding circuit of the mass flow sensor; Open or short circuit in the MAF wiring harness.

How do I fix a P00BF diagnostic trouble code?

To fix P00BF: Check the condition of the air flow sensor for contamination. Check the integrity of the wiring harness and the mass air flow sensor connector. Check the parameters of the power supply and grounding circuits of the mass flow sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P00BF?

Limited driving only, diagnose soon

How much does it cost to fix P00BF?

The estimated repair cost for P00BF is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat