P2C9E

Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too Low

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$28–111 (est.)

Symptoms

Difficulty starting the engine
Unstable engine idling
Loss of power when accelerating
Jerks when moving
Check Engine Light Illuminates

Causes

Malfunction of fuel pressure regulator "C"
Fuel filter clogged
Fuel pump malfunction
Fuel leak in the fuel system
Problems with fuel pressure regulator wiring or connectors

How to Fix

Check the fuel filter and replace it if necessary.
Check the fuel pump for proper operation and pressure.
Check the fuel pressure regulator "C" for mechanical damage or malfunction.
Check the fuel pressure regulator wiring and connectors for damage or corrosion.
Replace the fuel pressure regulator "C" if it is faulty.

Related codes

P2C9D P2C9F P0087