OBD Guide
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P01FF

Turbocharger Outlet Pressure Sensor A/B Correlation

P01FF is an OBD-II diagnostic trouble code meaning: Turbocharger Outlet Pressure Sensor A/B Correlation. Common causes: malfunction of one of the pressure sensors, dirty or clogged pressure tubes. Estimated repair cost: $56–167.

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

Symptoms

  • Reduced engine power
  • Rough idling
  • Increased fuel consumption
  • Black smoke from the exhaust pipe
  • The engine goes into emergency mode

Causes

  • Malfunction of one of the pressure sensors
  • Dirty or clogged pressure tubes
  • Problems with the wiring harness to the sensors
  • Corrosion or poor electrical contact
  • Malfunction of the turbocharger itself
  • Mechanical damage to tubes or sensors

How to Fix

  1. Carry out diagnostics with a scanner to view the readings of both sensors in real time
  2. Visually inspect sensors, tubes and electrical connections for damage
  3. Check the continuity and voltage in the sensor wiring harness
  4. Clean or blow out pressure tubes
  5. Replace faulty pressure sensor
  6. Clean electrical contacts and terminals

Related codes

P0234P0235P0236P0237P0238

Error P01FF by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P01FF code mean?

P01FF is an OBD-II diagnostic trouble code that indicates: Turbocharger Outlet Pressure Sensor A/B Correlation

What causes a P01FF error code?

The most common causes of P01FF include: Malfunction of one of the pressure sensors; Dirty or clogged pressure tubes; Problems with the wiring harness to the sensors; Corrosion or poor electrical contact.

How do I fix a P01FF diagnostic trouble code?

To fix P01FF: Carry out diagnostics with a scanner to view the readings of both sensors in real time. Visually inspect sensors, tubes and electrical connections for damage. Check the continuity and voltage in the sensor wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01FF?

Limited driving only, diagnose soon

How much does it cost to fix P01FF?

The estimated repair cost for P01FF is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat