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1999 JEEP CHEROKEE

4.0L I6AWDAUTOMATICgas
8 active safety recalls on this vehicle — view recalls
Repairs0Labor593Torque2487Fluid9DTC645Battery0Maintenance0Recalls8
P0453low severityPowertrain

EVAP Pressure Sensor/Switch High Input

on 1999 Jeep Cherokee 4.0L I6 · 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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