Intake Manifold Runner Control Stuck Closed Bank 2
The P2007 code indicates that the intake manifold runner control (IMRC) for bank 2 is stuck in the closed position. This system uses flaps or valves inside the intake manifold to optimize airflow at different engine speeds. When stuck closed, airflow is restricted, reducing engine performance and fuel efficiency. The issue is often caused by carbon buildup, a faulty actuator, or a broken linkage.
1. Most Common Causes
- Excessive carbon buildup on the intake manifold flaps/valves preventing mechanical movement
- Faulty or stuck IMRC actuator/solenoid
- Vacuum leak in control hoses (pneumatic systems) or failed electric motor (electronic systems)
- Short to ground, open circuit, or high resistance in the actuator control/signal circuit
- Damaged, loose, or corroded actuator or IMRC position sensor connector
- Disconnected, broken, or bent linkage rod
- Internal PCM failure (rare)
2. Symptoms You Will Notice
- Check Engine Light on
- Reduced engine power and acceleration
- Poor fuel economy
- Rough idle or hesitation
3. Step-by-Step Diagnosis
Step 1: Scan for codes and verify P2007 is present.
Step 2: Visually inspect the IMRC actuator and linkage for damage or binding.
Step 3: Use a scan tool to command the IMRC open/closed and observe movement.
Step 4: Check wiring and connector for corrosion or breaks.
Step 5: Remove intake manifold to inspect for carbon buildup if needed.
4. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive long distances as it can cause reduced performance and potential engine damage if the flaps break off.
How much does it cost to fix?▼
Repair costs range from $150 to $400 depending on the cause; cleaning carbon buildup is cheaper, while replacing the actuator or intake manifold is more expensive.
5. Commonly Affected Makes
This is a generic OBD2 code, potentially applicable to any manufacturer using this diagnostic standard.