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Alfa Romeo DTC

Alfa Romeo DTC P040B

Manufacture

Alfa Romeo DTC

Code

P040B

Definition

Exhaust Gas Recirculation Temperature Sensor A Circuit Range-Performance

Description

The Powertrain Control Module (PCM) detects a difference between the Exhaust Gas Recirculation (EGR) Temperature Sensor and either the Engine Coolant Temperature (ECT) Sensor reading or Ambient Air Temperature (AAT) Sensor reading is greater than 15°C (59°F).

Cause

  • none

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