P2651

B Rocker Arm Actuator System Performance/Stuck Off Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable idling
Dips during acceleration

Causes

VVT solenoid valve malfunction
Dirty or clogged VVT valve
Oil supply problems (low level or contamination)
Open or short circuit in valve control circuit
Engine control unit malfunction

How to Fix

Check the level and condition of the engine oil
Clean or replace VVT solenoid valve
Check the valve control circuit for opens and shorts
Check the oil pressure in the system
If necessary, replace the VVT valve

Related codes

P2646 P2647 P2650