P2624 Fault Code

Injector Control Pressure Regulator Circuit Low

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2624 fault code indicates an issue with the injector control pressure regulator circuit, specifically signifying that the voltage signal is below the expected range. This can lead to inadequate fuel delivery, resulting in engine performance issues.

What are the symptoms of the P2624 code?

Symptoms that may be observed include:

• Poor engine performance or misfires
• Difficulty starting the engine
• Stalling or rough idling
• Check engine light illumination
• Reduced fuel efficiency.

What causes the P2624 code?

Common causes for this fault code may include:

• A malfunctioning injector control pressure regulator
• Faulty wiring or connectors within the circuit
• Short circuits or open circuits in the wiring
• Faulty engine control module (ECM)
• Fuel pressure issues due to clogged filters or faulty fuel pumps.

How to fix P2624?

To resolve the P2624 fault code, consider the following steps:

• Inspect the wiring and connectors for any damage or corrosion.
• Test the injector control pressure regulator for proper function and replace if necessary.
• Check the fuel system for blockages or issues with the fuel pump.
• Use a scan tool to clear the fault code after repairs and run the engine to see if the code returns.