What are the common causes of P0258?

A short to ground in the metering control B circuit. A faulty fuel metering control B. Low fuel pressure from a weak pump. A clogged fuel filter. An open in the cam, rotor or injector circuit.

Read the metering control B circuit voltage on a scan tool. Inspect the circuit wiring and connector for an open or short. Check fuel pressure and replace a clogged fuel filter. Test the fuel metering control B resistance against spec. Replace the fuel metering control B if it is faulty. Clear the code and retest.

P0258

Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector)

System: Injector circuits (P code)
Lamp: Check Engine Light
Category: Powertrain - Fuel/Air Metering

What it means

P0258 means Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector).

Where it lives

For P0258, start at the injector the description names.

Check these first

A short to ground in the metering control B circuit
A faulty fuel metering control B
Low fuel pressure from a weak pump
A clogged fuel filter
An open in the cam, rotor or injector circuit

What to do next

Read the metering control B circuit voltage on a scan tool
Inspect the circuit wiring and connector for an open or short
Check fuel pressure and replace a clogged fuel filter
Test the fuel metering control B resistance against spec
Replace the fuel metering control B if it is faulty
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.