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P3470Cylinder Deactivation Hydraulic Circuit Bank 2 Open

⚙️ Powertrain (Motor y Transmisión)
Moderada

The engine control module has detected an open hydraulic circuit in the cylinder deactivation system on bank 2. Loss of oil flow, a failed oil pressure switch or a disconnected oil control valve prevents the system from deactivating cylinders on bank 2.

⚠️

Can I keep driving? With caution

You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.

Sistema Afectado

Motor · Powertrain

Vehículo despiece — Motor

La falla pertenece al grupo motopropulsor (motor y gestión electrónica).

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Possible Causes

The components or conditions that trigger this code

  • 1Oil pressure switch failed Oil passage blocked or sludge buildup Oil control valve stuck
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How to Fix It — Step by Step

Recommended diagnostic and repair procedure

  1. 1Difficulty: shop_only. Estimated time: 2-10 hours. Estimated cost: €300-€
  2. 2Professional repair recommended

Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.

Estimated Cost

Approximate range in USD (varies by region and shop)

$100$800

Varies by diagnosis

* Diagnosis only: $50–$150

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