OBD Guide
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P0254

Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector)

P0254 is an OBD-II diagnostic trouble code meaning: Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector). Common causes: fuel injection pump malfunction (wear, jamming), open or short circuit in control circuit. Estimated repair cost: $167–667.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–667 (est.)

Symptoms

  • Poor engine starting
  • Unstable idling
  • Power drop
  • Increased fuel consumption
  • Sometimes - emergency mode

Causes

  • Fuel injection pump malfunction (wear, jamming)
  • Open or short circuit in control circuit
  • Problems with connecting wires (oxidation of contacts)
  • ECU malfunction
  • Mechanical damage to the fuel system

How to Fix

  1. Check the injection pump control circuit for open/short circuit.
  2. Check the resistance of the injection pump control coil
  3. Diagnose pump operation under load
  4. If necessary, replace the injection pump
  5. Reflash the ECU (if required)

Related codes

P0251P0252P0253P0087P0191

Error P0254 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0254 code mean?

P0254 is an OBD-II diagnostic trouble code that indicates: Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector)

What causes a P0254 error code?

The most common causes of P0254 include: Fuel injection pump malfunction (wear, jamming); Open or short circuit in control circuit; Problems with connecting wires (oxidation of contacts); ECU malfunction.

How do I fix a P0254 diagnostic trouble code?

To fix P0254: Check the injection pump control circuit for open/short circuit.. Check the resistance of the injection pump control coil. Diagnose pump operation under load. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0254?

Limited driving only, diagnose soon

How much does it cost to fix P0254?

The estimated repair cost for P0254 is $167–667. Actual cost depends on your vehicle, location, and labor rates.

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