P04E4
Crankcase Ventilation Hose Connection Sensor Circuit Intermittent/Erratic
P04E4 is an OBD-II diagnostic trouble code meaning: Crankcase Ventilation Hose Connection Sensor Circuit Intermittent/Erratic. Common causes: broken or damaged sensor wiring, malfunction of the sensor itself. Estimated repair cost: $33–89.
Symptoms
- Check Engine Light Is On
- Unstable engine operation
- Increased fuel consumption
Causes
- Broken or damaged sensor wiring
- Malfunction of the sensor itself
- Poor contact in the sensor connector
- Mechanical damage to the crankcase ventilation hose
How to Fix
- Check the integrity of the crankcase ventilation hose
- Inspect the sensor wiring and connectors for damage
- Check the resistance and signal of the sensor using a multimeter
- If necessary, replace the sensor or damaged wires
- Clear the error code and check if it returns
Related codes
Error P04E4 by Vehicle Brand
FAQ
What does the P04E4 code mean?
P04E4 is an OBD-II diagnostic trouble code that indicates: Crankcase Ventilation Hose Connection Sensor Circuit Intermittent/Erratic
What causes a P04E4 error code?
The most common causes of P04E4 include: Broken or damaged sensor wiring; Malfunction of the sensor itself; Poor contact in the sensor connector; Mechanical damage to the crankcase ventilation hose.
How do I fix a P04E4 diagnostic trouble code?
To fix P04E4: Check the integrity of the crankcase ventilation hose. Inspect the sensor wiring and connectors for damage. Check the resistance and signal of the sensor using a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P04E4?
Limited driving only, diagnose soon
How much does it cost to fix P04E4?
The estimated repair cost for P04E4 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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