The P2009 trouble code relates to a low voltage condition detected in the intake manifold runner control (IMRC) circuit in bank 1.
P2009 Intake Manifold Runner Control Circuit Low Bank 1
Code symptoms P2009.
1. Rough idling.
2. Decreased engine performance, especially at low RPMs.
3. Poor fuel efficiency.
4. The Check Engine Light (CEL) may be illuminated.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2009.
1. Faulty intake manifold runner control valve.
2. Damaged wiring or connectors in the intake manifold runner control circuit.
3. Low voltage in the intake manifold runner control circuit.
Code Solutions P2009.
1. Test and replace the intake manifold runner control valve if it is faulty.
2. Inspect the wiring and connectors in the intake manifold runner control circuit for any damage or corrosion. Repair or replace any damaged wiring or connectors.
3. Check for a low voltage condition in the intake manifold runner control circuit and repair as necessary.