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2002 DODGE DURANGO
4.7L V8•4WD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor492Torque3360Fluid10DTC1703Battery1Maintenance0Recalls6
P0239moderate severityPowertrain

Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance

on 2002 Dodge Durango 4.7L V8 · 4WD

What this code means

The PCM has detected that the turbo/supercharger boost sensor B signal is outside the expected range. This usually points to a sensor or wiring fault affecting boost pressure readings.

Symptoms

  • Reduced engine power
  • Check engine light on
  • Poor acceleration

Common causes

  • Faulty boost pressure sensor
  • Damaged sensor wiring or connector
  • Boost/vacuum leak
  • Restricted sensor reference hose

Diagnostic steps

  1. Scan and record freeze frame data
  2. Inspect boost sensor wiring and connector
  3. Compare sensor reading to actual boost
  4. Replace boost sensor if out of spec
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