Powertrain
generic / SAE
P2026
EVAP Fuel Vapor Temperature Sensor Circuit Low Voltage
The EVAP fuel-vapor temperature sensor signal sits below the lower plausibility limit — short to ground or short between signal and ground inside the sensor.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number– / 26
Possible causes
- Short to ground on signal line high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation low
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 40–300 €
- Estimated time: 0.5–2 h
- Component: evap fuel vapor temp sensor
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012