Powertrain
generic / SAE
P0186
Fuel Temperature Sensor B Circuit Range / Performance
Fuel temperature sensor B reading is within electrical limits but implausible (no warmup change, disagrees with sensor A or ambient).
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number1 / 86
Possible causes
- Sensor drifted high
- Sensor stuck medium
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 60–300 €
- Estimated time: 0.5–2 h
- Component: fuel temperature sensor b
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012