P2AB6

Cold Start Intake Manifold Runner Control Stuck Closed Bank 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–56 (est.)

Symptoms

Loss of engine power, especially at high speeds
Rough idling
Deterioration in acceleration dynamics
Possible increased vibration
Check Engine Light

Causes

Mechanical jamming of the damper (carbon deposits, deposits)
Control solenoid valve malfunction
Open or short circuit in control circuit
Damage to the vacuum actuator (if the system is vacuum)
ECU software error

How to Fix

Visual inspection of the intake manifold and dampers
Checking the Solenoid Valve and Control Circuit
Cleaning the dampers and mechanism from carbon deposits
Checking vacuum lines (if applicable)
ECU software diagnostics

Related codes

P2AB5 P2AB7 P2004