P047A

Exhaust Pressure Sensor B Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Problems with the EGR system

Causes

Exhaust gas pressure sensor B malfunction
Open or shorted wiring harness
Poor contact in the sensor connector
Problems with the ECU

How to Fix

Check the integrity of the wiring harness and sensor connector
Check sensor resistance and voltage according to manufacturer's specifications
Replace exhaust gas pressure sensor B if necessary
Clean or replace connectors if corrosion is detected

Related codes

P047B P047C P047D