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2007 DODGE VIPER
8.3L V10•RWD•MANUAL•gas
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Repairs0Labor485Torque3343Fluid8DTC1840Battery1Maintenance0Recalls0
P0144low severityPowertrain

O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)

on 2007 Dodge Viper 8.3L V10 · RWD

What this code means

The third oxygen sensor on bank 1 is reading a high voltage. This can indicate a rich condition or a wiring fault.

Symptoms

  • Check engine light on
  • Failed emissions test
  • Poor fuel economy

Common causes

  • Short to voltage in wiring
  • Faulty oxygen sensor
  • Contaminated sensor
  • Corroded connector

Diagnostic steps

  1. Read O2 sensor voltage with scan tool
  2. Inspect wiring for shorts to voltage
  3. Check sensor for contamination
  4. Replace sensor if faulty
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