P00C6

Symptoms

• Difficulty starting the engine
• The engine stalls immediately after starting
• Unstable idling after startup
• Power Loss

Causes

• High pressure fuel pump malfunction
• Clogged fuel filter
• Fuel pressure regulator malfunction
• Leak in fuel rail or lines
• Problems with the fuel rail pressure sensor
• Low fuel quality
• Pump pressure reducing valve malfunction

How to Fix

1. Check the pressure in the fuel rail using a pressure gauge
2. Inspect fuel lines for leaks
3. Check the operation of the high pressure fuel pump
4. Replace the fuel filter (if the regulations were missed)
5. Diagnose the fuel pressure regulator
6. Check the readings of the rail pressure sensor
7. If necessary, replace faulty components

Related codes

Error P00C6 by Vehicle Brand