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P233FFuel Pressure Regulator B Solenoid Supply Voltage Control Circuit High

⚙️ Powertrain (Motor y Transmisión)
Moderada

Same as P233D but with the supply line shorted to a higher potential than expected, so the ECU measures more voltage on the regulator B feed than the commanded level allows.

⚠️

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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Symptoms You Will Notice

What you may observe when this code appears

  • Check engine light on Hard start
  • no start
  • or stalling under load Power loss especially at high load or rpm Possible long cranking time

Possible Causes

The components or conditions that trigger this code

  • 1Supply line shorted to a higher voltage rail Supply relay contact welded closed Connector pins corroded - high contact resistance
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How to Fix It — Step by Step

Recommended diagnostic and repair procedure

  1. 1Difficulty: medium. Estimated time: 0.6-1.5 hours. Estimated cost: €80-€
  2. 2DIY possible

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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