OBD Guide
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P06BF

Cylinder 7 Glow Plug Circuit Range/Performance

P06BF is an OBD-II diagnostic trouble code meaning: Cylinder 7 Glow Plug Circuit Range/Performance. Common causes: wear of the heating element of the glow plug of cylinder 7, poor contact or oxidation of the glow plug connector. Estimated repair cost: $6–22.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–22 (est.)

Symptoms

  • Slightly difficult engine starting at low temperatures
  • Check Engine Light Is On
  • Slight white smoke on cold start
  • Unstable engine operation when warming up in cold weather
  • Increased starter cranking time at low temperatures

Causes

  • Wear of the heating element of the glow plug of cylinder 7
  • Poor contact or oxidation of the glow plug connector
  • Partial damage to circuit wire insulation
  • Incipient failure of the relay or spark plug control module
  • Glow plug terminal corrosion

How to Fix

  1. Read error codes and record frozen frame data
  2. Measure the resistance of the glow plug of cylinder 7 (standard 0.5–2 Ohm)
  3. Inspect the spark plug connector and terminal for oxidation, clean the contacts
  4. Check the current through the spark plug when warming up using a current clamp
  5. Replace the glow plug if abnormal performance is confirmed
  6. Reset codes and make sure they are gone after replacement

Related codes

P06B9P0671P0672P0673P0674

Error P06BF by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06BF code mean?

P06BF is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Glow Plug Circuit Range/Performance

What causes a P06BF error code?

The most common causes of P06BF include: Wear of the heating element of the glow plug of cylinder 7; Poor contact or oxidation of the glow plug connector; Partial damage to circuit wire insulation; Incipient failure of the relay or spark plug control module.

How do I fix a P06BF diagnostic trouble code?

To fix P06BF: Read error codes and record frozen frame data. Measure the resistance of the glow plug of cylinder 7 (standard 0.5–2 Ohm). Inspect the spark plug connector and terminal for oxidation, clean the contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06BF?

Yes, but get it checked soon

How much does it cost to fix P06BF?

The estimated repair cost for P06BF is $6–22. Actual cost depends on your vehicle, location, and labor rates.

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