Code result

P2A20

Injection Pump Fuel Metering Control F Low

High severity

What it means

The control signal for injection pump metering channel F is below the expected window. Wire shorted to ground or actuator short.

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Control wire shorted to ground

    high

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

  • Internal short in metering actuator

    medium

    A plausible cause — test and verify before replacing parts.

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