P0180
Fuel Temperature Sensor A Circuit Malfunction
The ECU detects an electrical fault in the fuel temperature sensor A circuit. Fuel temperature input is missing or out of plausible range — typical for sensor failure or wiring open/short.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Fuel temperature sensor failedCommon
- Wiring or connector faultPossible
Parts involved
- Fuel Temperature Sensor A
- Sensor Wiring
P0180 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.