P3621high severityPowertrain
Cylinder Deactivation System Bank 2 Malfunction
on 2006 Ford Explorer 4.6L V8 · 4WD
What this code means
The cylinder deactivation system for Bank 2 has detected a fault.
Symptoms
- Check Engine Light
- Vibration during cruising
- Cylinder deactivation disabled
- Poor fuel economy
- Engine roughness
- MIL and vibration together
Common causes
- Bank 2 deactivation solenoid failure
- VLOM issue Bank 2
- Low oil pressure
- Collapsed lifter Bank 2
- Oil passage restricted
Diagnostic steps
- Read Bank 2 deactivation PIDs
- Command Bank 2 deactivation
- Check oil pressure at Bank 2
- Test Bank 2 solenoid resistance
- Monitor Bank 2 cylinder balance
Repair notes
Replace Bank 2 deactivation solenoid or VLOM. Use AFM-compatible oil.
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1