OBD-II code · Powertrain (generic)
P016D Excessive Time To Enter Closed Loop Fuel Pressure Control
ECU took longer than allowed to close the loop on fuel pressure control. Pressure rise too slow at start.
Is it safe to drive with P016D?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyLift pump weak
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
- 0.5–4 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, Lift Pump, Fuel Filter
Related codes
- P016AExcessive Time To Enter Closed Loop Air/Fuel Ratio Control
- P016BClosed Loop Air/Fuel Ratio Control At Limit - System Too Rich
- P016CClosed Loop Air/Fuel Ratio Control At Limit - System Too Lean
- P016EClosed Loop Fuel Pressure Control At Limit - Pressure Too High
- P016FClosed Loop Fuel Pressure Control At Limit - Pressure Too Low
- P0170Fuel Trim Malfunction (Bank 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.