OBD-II code · Powertrain (generic)
P016E Closed Loop Fuel Pressure Control At Limit - Pressure Too High
Closed-loop fuel pressure control hit its lower limit because rail pressure is structurally too high.
Is it safe to drive with P016E?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyRegulator stuck closed
Symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Pressure Regulator, Return Valve
Related codes
- P016BClosed Loop Air/Fuel Ratio Control At Limit - System Too Rich
- P016CClosed Loop Air/Fuel Ratio Control At Limit - System Too Lean
- P016DExcessive Time To Enter Closed Loop Fuel Pressure Control
- P016FClosed Loop Fuel Pressure Control At Limit - Pressure Too Low
- P0170Fuel Trim Malfunction (Bank 1)
- P0171System Too Lean (Bank 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.