P046E

EGR Sensor B Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Deterioration in acceleration dynamics
Increased fuel consumption
Unstable operation at idle

Causes

EGR B sensor malfunction
Damage to the sensor wiring harness
Poor contact in the sensor connector
Dirty or clogged EGR system
ECU software error

How to Fix

Check the integrity of the EGR sensor wiring harness
Clean sensor connector contacts
Check the resistance and voltage of the sensor (check with the manual)
If necessary, replace the EGR sensor
Clean the EGR system from carbon deposits
Reset the error and test the system

Related codes

P0401 P0402 P0403 P046D