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P0258 OBD2: Injection Pump Fuel Metering Control "B" Low (Cam/Rotor/Injector)

P0258 OBD2: Injection Pump Fuel Metering Control “B” Low (Cam/Rotor/Injector)

The P0258 OBD-II code indicates an issue with the fuel injection pump’s metering control. This code is considered urgent, as it signifies that immediate action is necessary to prevent severe damage to your vehicle.

What Does the P0258 Code Mean?

The P0258 code is triggered when the Engine Control Module (PCM) detects a low signal from the Fuel Injection Pump Control Actuator. This actuator is responsible for regulating the pressure of the fuel being delivered to the fuel injectors. If the PCM identifies an incorrect signal, it sets the P0258 code.

What Causes the P0258 Code?

Several factors can lead to the P0258 code being triggered, including:

  • Fuel injection pump actuator failure
  • Fuel injection pump failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues

What Are the Symptoms of the P0258 Code?

Drivers may experience a range of symptoms when this code is present, including:

  • Decreased engine performance
  • Engine may stall

How Serious Is the P0258 Code?

The P0258 code is classified as urgent. Ignoring this code can lead to significant engine damage and safety risks for the driver and passengers. It is crucial to address this issue promptly to maintain the vehicle’s performance and safety.

How to Diagnose the P0258 Code

To properly diagnose the P0258 code, a mechanic will typically follow these steps:

  1. Use an OBD-II scanner to confirm the P0258 code and check for any other related codes.
  2. Inspect the wiring and connectors associated with the fuel injection pump actuator for any signs of damage or corrosion.
  3. Test the fuel injection pump actuator to ensure it is functioning correctly.
  4. Check the fuel injection pump for proper operation.
  5. Evaluate the PCM for any faults that may be affecting the fuel injection system.

Common Repairs for the P0258 Code

Common repairs that may be necessary to resolve the P0258 code include:

  • Fuel pump replacement
  • Wiring repairs or replacements
  • PCM replacement or reprogramming
  • Fuel injection pump actuator replacement

How Much Does It Cost to Fix the P0258 Code?

The cost to repair the P0258 code can vary widely depending on the specific repair needed and the make and model of the vehicle. On average, you can expect to pay anywhere from $200 to $1,500, including parts and labor.

Can I Fix the P0258 Code Myself?

While some experienced DIYers may be able to address minor issues like wiring repairs, the complexity of diagnosing and fixing the P0258 code typically requires professional expertise. Proper diagnosis and repair are essential to ensure the issue is resolved and to avoid further damage to the vehicle.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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