OBD-II code · Powertrain (generic)
P016F Closed Loop Fuel Pressure Control At Limit - Pressure Too Low
Closed-loop fuel pressure control hit its upper limit because rail pressure is structurally too low.
Is it safe to drive with P016F?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyHP pump worn
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–6 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- High Pressure Fuel Pump, Fuel Volume Regulator
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.