OBD Guide
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P0002

Fuel Volume Regulator Control Circuit Range/Performance

P0002 is an OBD-II diagnostic trouble code meaning: Fuel Volume Regulator Control Circuit Range/Performance. Common causes: faulty fuel volume regulator, damage to wiring or connectors in the regulator circuit. Estimated repair cost: $22–500.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–500 (est.)

Symptoms

  • Unstable idle
  • Loss of engine power
  • Increased fuel consumption
  • Difficulty starting the engine
  • Jerks when accelerating
  • Check Engine Light Illuminates
  • Black smoke from the exhaust pipe

Causes

  • Faulty fuel volume regulator
  • Damage to wiring or connectors in the regulator circuit
  • Oxidation or corrosion of contacts
  • Engine control unit (ECU) malfunction
  • Problems with the high pressure fuel pump
  • Fuel filter clogged
  • Malfunction of fuel pressure sensors

How to Fix

  1. Connect a diagnostic scanner and read all error codes
  2. Check the voltage and signals in the fuel volume regulator circuit
  3. Inspect wiring and connectors for damage
  4. Measure the resistance of the regulator circuit
  5. Check the operation of the fuel pump and the pressure in the system
  6. If necessary, replace the fuel volume regulator
  7. Clean or replace the fuel filter
  8. Check and, if necessary, replace damaged wiring
  9. Clear error codes and test drive

Related codes

P0001P0003P0004P0087P0088P0191P0192

Error P0002 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0002 code mean?

P0002 is an OBD-II diagnostic trouble code that indicates: Fuel Volume Regulator Control Circuit Range/Performance

What causes a P0002 error code?

The most common causes of P0002 include: Faulty fuel volume regulator; Damage to wiring or connectors in the regulator circuit; Oxidation or corrosion of contacts; Engine control unit (ECU) malfunction.

How do I fix a P0002 diagnostic trouble code?

To fix P0002: Connect a diagnostic scanner and read all error codes. Check the voltage and signals in the fuel volume regulator circuit. Inspect wiring and connectors for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0002?

Limited driving only, diagnose soon

How much does it cost to fix P0002?

The estimated repair cost for P0002 is $22–500. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat