OBD Guide
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P34A2

Cylinder 11 Deactivation/Intake Valve Performance

P34A2 is an OBD-II diagnostic trouble code meaning: Cylinder 11 Deactivation/Intake Valve Performance. Common causes: malfunction of the cylinder deactivation solenoid valve, mechanical damage to the intake valve. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Uneven engine operation
  • Power Loss
  • Increased fuel consumption
  • Engine troubles
  • Check Engine Light Is On

Causes

  • Malfunction of the cylinder deactivation solenoid valve
  • Mechanical damage to the intake valve
  • Problems with the engine management system
  • Malfunction of the hydraulic compensator
  • Contaminated or worn components

How to Fix

  1. Check the condition of the cylinder deactivation solenoid valve
  2. Inspect the inlet valve and its drive mechanism
  3. Diagnose the engine management system
  4. Check hydraulic compensators
  5. Replacing faulty components

Related codes

P34A0P34A1P34A3

Error P34A2 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P34A2 code mean?

P34A2 is an OBD-II diagnostic trouble code that indicates: Cylinder 11 Deactivation/Intake Valve Performance

What causes a P34A2 error code?

The most common causes of P34A2 include: Malfunction of the cylinder deactivation solenoid valve; Mechanical damage to the intake valve; Problems with the engine management system; Malfunction of the hydraulic compensator.

How do I fix a P34A2 diagnostic trouble code?

To fix P34A2: Check the condition of the cylinder deactivation solenoid valve. Inspect the inlet valve and its drive mechanism. Diagnose the engine management system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P34A2?

Limited driving only, diagnose soon

How much does it cost to fix P34A2?

The estimated repair cost for P34A2 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat