Powertrain
generic / SAE
P0453
Evaporative Emission System Pressure Sensor High Input
The fuel tank pressure sensor signal is above the expected maximum voltage, typical of a short to supply or a sensor that has failed high.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 53
Possible causes
- Tank pressure sensor failed (high) high
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: 80–400 €
- Estimated time: 0.5–2.5 h
- Component: fuel tank pressure sensor
- Component: sensor wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012