OBD Guide

P0258

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

P0258 is an OBD-II diagnostic trouble code meaning: Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector). Common causes: injector b fault, open or short circuit in control circuit. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Unstable engine operation
  • Power dips
  • Increased fuel consumption
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • Injector B fault
  • Open or short circuit in control circuit
  • Poor contact in the pump-injector connector
  • Camshaft position sensor malfunction
  • ECU software problems

How to Fix

  1. Check the voltage and resistance at the unit injector B control circuit.
  2. Inspect connectors and wiring for damage
  3. Check the operation of the camshaft position sensor
  4. Test unit injector B
  5. If necessary, replace faulty components
  6. Update ECU software (if required)

Related codes

Error P0258 by Vehicle Brand

FAQ

What does the P0258 code mean?

P0258 is an OBD-II diagnostic trouble code that indicates: Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector)

What causes a P0258 error code?

The most common causes of P0258 include: Injector B fault; Open or short circuit in control circuit; Poor contact in the pump-injector connector; Camshaft position sensor malfunction.

How do I fix a P0258 diagnostic trouble code?

To fix P0258: Check the voltage and resistance at the unit injector B control circuit.. Inspect connectors and wiring for damage. Check the operation of the camshaft position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0258?

Limited driving only, diagnose soon

How much does it cost to fix P0258?

The estimated repair cost for P0258 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat