Cylinder Deactivation System Bank 2 Malfunction
2000-2006 Lincoln LS 3.0L V6
Description
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.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P3621 on Other Vehicles
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2003-2005 4.6L V8
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2003-2005 4.6L V8 DOHC
Lincoln Aviator
2020-2024 3.0L Twin-Turbo V6
Lincoln Aviator
2020-2024 3.0L V6 Twin Turbo
Lincoln Continental
2017-2020 2.7L EcoBoost V6
Lincoln Continental
2017-2020 2.7L Twin-Turbo V6
Lincoln Continental
2017-2020 2.7L V6 Twin Turbo
Lincoln Continental
2017-2020 3.0L Twin-Turbo V6
Common Questions
What does code P3621 mean on a 2000-2006 Lincoln LS?
P3621 stands for "Cylinder Deactivation System Bank 2 Malfunction". The cylinder deactivation system for Bank 2 has detected a fault.
What are the symptoms of P3621 on a Lincoln LS?
Common symptoms of P3621 include: Check Engine Light, Vibration during cruising, Cylinder deactivation disabled, Poor fuel economy, Engine roughness, MIL and vibration together.
What causes P3621 on a 2000-2006 Lincoln LS?
Common causes of P3621 include: Bank 2 deactivation solenoid failure, VLOM issue Bank 2, Low oil pressure, Collapsed lifter Bank 2, Oil passage restricted.