P2AB3

Cold Start Intake Manifold Runner Control Stuck Open Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Reduced power at low speeds
Unstable engine idling
Increased fuel consumption
Check Engine Light Illuminates
Possible popping sounds in the intake manifold

Causes

Mechanical jamming of the damper
Vacuum drive malfunction
Open or short circuit in control circuit
Solenoid valve problems
Damper position sensor malfunction

How to Fix

Check the mechanical movement of the damper
Check vacuum lines and drive
Check control and power circuit
Check the operation of the solenoid valve
If necessary, replace the damper or actuator

Related codes

P2AB4 P2004 P2006