OBD Guide
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P02BF

Cylinder 10 - Fuel Trim at Min Limit

P02BF is an OBD-II diagnostic trouble code meaning: Cylinder 10 - Fuel Trim at Min Limit. Common causes: faulty or 'sticking' injector of cylinder 10, increased pressure in the fuel rail. Estimated repair cost: $56–167.

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

Symptoms

  • Rough engine idling
  • Reduced engine power and response
  • Increased fuel consumption
  • Smell of gasoline from the exhaust system
  • Possible misfire in cylinder 10

Causes

  • Faulty or 'sticking' injector of cylinder 10
  • Increased pressure in the fuel rail
  • Dirty or faulty spark plug in cylinder 10
  • Problems with the ignition coil of the 10th cylinder
  • Low compression in cylinder 10
  • Air leak in the intake manifold (if the problem is local)
  • Temporary problems with the oxygen sensor

How to Fix

  1. Read fault codes and freeze frame data
  2. Check real-time fuel trim data for all cylinders
  3. Perform a compression check on cylinder 10
  4. Perform a cylinder balance test to identify the problem injector
  5. Inspect the spark plug and coil of cylinder 10
  6. Check fuel system pressure and injector performance
  7. If necessary, replace faulty components and clear the error code

Related codes

P0300P030AP0172P0190P0193

Error P02BF by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P02BF code mean?

P02BF is an OBD-II diagnostic trouble code that indicates: Cylinder 10 - Fuel Trim at Min Limit

What causes a P02BF error code?

The most common causes of P02BF include: Faulty or 'sticking' injector of cylinder 10; Increased pressure in the fuel rail; Dirty or faulty spark plug in cylinder 10; Problems with the ignition coil of the 10th cylinder.

How do I fix a P02BF diagnostic trouble code?

To fix P02BF: Read fault codes and freeze frame data. Check real-time fuel trim data for all cylinders. Perform a compression check on cylinder 10. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02BF?

Limited driving only, diagnose soon

How much does it cost to fix P02BF?

The estimated repair cost for P02BF is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat