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2005 AUDI A8

4.2L V8AWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor593Torque2372Fluid9DTC808Battery0Maintenance0Recalls1
P0453low severityPowertrain

EVAP Pressure Sensor/Switch High Input

on 2005 Audi A8 4.2L V8 · 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

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