P00C6
Fuel Rail Pressure Too Low - Engine Cranking Bank 1
During engine cranking on bank 1, fuel rail pressure does not reach the level needed for start. Hard or no-start condition.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- HP pump wornCommon
- Fuel filter cloggedPossible
Parts involved
- High Pressure Fuel Pump
- Fuel Filter
- Lift Pump
P00C6 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.