Back to 2021 Mazda Mazda3

2021 MAZDA MAZDA3

2.0L I4AWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor511Torque3820Fluid9DTC919Battery0Maintenance0Recalls1
P0453low severityPowertrain

EVAP Pressure Sensor/Switch High Input

on 2021 Mazda Mazda3 2.0L I4 · AWD

What this code means

High voltage from the fuel tank pressure sensor.

Symptoms

  • Check Engine Light

Common causes

  • Open circuit
  • Short to power
  • Faulty sensor

Diagnostic steps

  1. Test sensor voltage
  2. Check for opens
  3. Inspect wiring

Repair notes

Replace fuel tank pressure sensor.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →