Powertrain
generic / SAE
P016A
Excessive Time To Enter Closed Loop Air/Fuel Ratio Control
ECU took longer than allowed to enter closed-loop air/fuel ratio control. Most often O2 sensor heater aging or coolant temperature reading wrong.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number1 / 6A
Possible causes
- O2 sensor heater aged high
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–400 €
- Estimated time: 0.3–2 h
- Component: oxygen sensor
- Component: ect sensor
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012