P0021 means camshaft position timing over-advanced (bank 2). VVT over-advance on bank 2's intake cam — the P0011 equivalent for the other side of a V6/V8.
Drive gently and get it diagnosed within days.
VVT over-advance on bank 2's intake cam — the P0011 equivalent for the other side of a V6/V8.
VVT is oil-driven.
Sludge buildup.
Affects both banks usually.
Bank 2 sensor.
Weak pump or clogged pickup.
Typically $50–$1500
Oil change $50–$100; solenoid typically $150–$400; timing chain $800–$1,500. Estimates vary by vehicle. Costs are estimates and vary by vehicle, location, and shop.
Check oil now; gentle driving until fixed.
Typically $50–$1500. Oil change $50–$100; solenoid typically $150–$400; timing chain $800–$1,500. Estimates vary by vehicle.
Drive gently and get it diagnosed within days.
The most common cause is dirty/low oil. VVT is oil-driven.