OBD Guide
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P0026

Intake Valve Control Solenoid Circuit Range/Performance Bank 1

P0026 is an OBD-II diagnostic trouble code meaning: Intake Valve Control Solenoid Circuit Range/Performance Bank 1. Common causes: faulty intake valve vvt solenoid, contaminated or unsuitable engine oil. Estimated repair cost: $89–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$89–278 (est.)

Symptoms

  • Unstable engine idling
  • Reduced power and torque
  • Increased fuel consumption
  • Difficulty starting the engine
  • Check Engine Light Illuminated
  • Detonation during acceleration
  • Uneven engine operation during transient conditions

Causes

  • Faulty intake valve VVT solenoid
  • Contaminated or unsuitable engine oil
  • Clogged oil channels of the VVT system
  • Open or short circuit in solenoid wiring
  • Camshaft position sensor malfunction
  • Mechanical wear of the phase change system
  • Low oil pressure in the system
  • Engine control unit malfunction

How to Fix

  1. Check the level and quality of the engine oil, replace if necessary
  2. Diagnose the electrical circuit of the VVT solenoid with a multimeter
  3. Check solenoid resistance (usually 6-12 ohms)
  4. Inspect the wiring for damage, oxidation of contacts
  5. Clean or replace intake valve VVT solenoid
  6. Flush the oil channels of the phase change system
  7. Check the operation of the camshaft position sensor
  8. Test the oil pressure in the system
  9. Clear error memory and test drive

Related codes

P0020P0021P0022P0023P0024P0025P0010P0011

Error P0026 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0026 code mean?

P0026 is an OBD-II diagnostic trouble code that indicates: Intake Valve Control Solenoid Circuit Range/Performance Bank 1

What causes a P0026 error code?

The most common causes of P0026 include: Faulty intake valve VVT solenoid; Contaminated or unsuitable engine oil; Clogged oil channels of the VVT system; Open or short circuit in solenoid wiring.

How do I fix a P0026 diagnostic trouble code?

To fix P0026: Check the level and quality of the engine oil, replace if necessary. Diagnose the electrical circuit of the VVT solenoid with a multimeter. Check solenoid resistance (usually 6-12 ohms). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0026?

Limited driving only, diagnose soon

How much does it cost to fix P0026?

The estimated repair cost for P0026 is $89–278. Actual cost depends on your vehicle, location, and labor rates.

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