All codes/P00C6

P00C6

Fuel Rail Pressure Too Low - Engine Cranking Bank 1

High severity

During engine cranking on bank 1, fuel rail pressure does not reach the level needed for start. Hard or no-start condition.

During engine cranking on bank 1, fuel rail pressure does not reach the level needed for start. Hard or no-start condition.

Common causes

  • HP pump worn

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $90-1650

  • Fuel filter clogged

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $90-1650

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P00C6 mean?

P00C6 means "Fuel Rail Pressure Too Low - Engine Cranking Bank 1". It is a generic OBD-II code that points to a fault in the fuel & air metering / auxiliary emission controls.

What are the most common causes of P00C6?

hp pump worn; fuel filter clogged — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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