P047C

Exhaust Pressure Sensor B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Engine performance deterioration
Increased fuel consumption
Check Engine Light Is On
Problems with the EGR system

Causes

Exhaust gas pressure sensor B malfunction
Open or short circuit in wiring harness
Poor connection or corrosion in connectors
Malfunction of the engine control unit (ECU)

How to Fix

Check the integrity of the wiring harness and sensor connectors
Measure the resistance and voltage of exhaust gas pressure sensor B
Replace exhaust gas pressure sensor B if necessary
Check and clean connectors and contacts
Scan the system for other errors

Related codes

P047A P047B P047D P0401