Vacuum Sensor B Range/Performance

Where it lives

For C054E, start at the sensor the description names.

Check these first

• Vacuum sensor B reading out of range
• A leaking or blocked vacuum hose to the sensor
• A failed sensing element in the sensor
• A loose or corroded sensor connector
• A sensor calibration fault

What to do next

1. Read the sensor output on a scan tool
2. Inspect the vacuum hose for leaks or blockage
3. Check the sensor connector and wiring
4. Replace the sensor if the reading is out of range
5. Clear the code and retest

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