C054F

Vacuum Sensor B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Check Engine Light Illuminates

Causes

Vacuum sensor B fault
Open or short circuit in wiring harness
Poor contact in connectors
ECU malfunction

How to Fix

Check the integrity of the wiring harness
Check vacuum sensor B connectors
Replace vacuum sensor B if necessary
Check the power supply and ground of the sensor

Related codes

P0107 P0108 P0109