P0452
PowertrainEvap Systemlow severityEVAP Pressure Sensor/Switch Low Input
What P0452 Means
Low voltage from the fuel tank pressure sensor.
Symptoms
- Check Engine Light
Common Causes
- Faulty pressure sensor
- Short to ground
- Wiring issue
Diagnostic Steps
- Test sensor voltage
- Check for shorts
- Inspect wiring
Where to start: Replace fuel tank pressure sensor.
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