Test Description

The number below refers to the step number on the diagnostic table.

2: This diagnostic table will only diagnose the mechanical portion of the IMRC solenoid. If there is a DTC set for the IMRC solenoid, refer to the appropriate DTC table.

Intake Manifold Runner Control System Diagnosis

Step	Action	Values	Yes	No
1	Did you perform the Diagnostic System Check - Vehicle?	-	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Turn ON the ignition, with the engine OFF. Observe the DTC information with a scan tool. Is DTC P2008, P2009, or P2010 set?	-	Go to Diagnostic Trouble Code (DTC) List - Vehicle	Go to Step 3
3	Remove the intake manifold runner control (IMRC) solenoid from the intake manifold, but leave the electrical connector connected. Refer to Intake Manifold Runner Control Solenoid Replacement . Command the IMRC solenoid ON and OFF with a scan tool. Observe the valve of the IMRC solenoid while you command the IMRC solenoid ON and OFF. Does the valve of the IMRC solenoid move in both directions?	-	Go to Step 4	Go to Step 5
4	Inspect the inside of the intake manifold for the following conditions: Carbon build-up that limits the movement of the IMRC valve Casting flash that limits the movement of the IMRC valve Foreign material that limits the movement of the IMRC valve Clean or replace the upper intake manifold. Refer to Upper Intake Manifold Replacement . Did you find and correct the condition?	-	Go to Step 6	Go to Diagnostic Aids
5	Replace the IMRC solenoid. Refer to Intake Manifold Runner Control Solenoid Replacement . Did you complete the replacement?	-	Go to Step 6	-
6	Connect all disconnected components. Clear the DTCs with a scan tool. Start the engine. Operate the system in order to verify the repair. Did you correct the condition?	-	Go to Step 7	Go to Step 2
7	Observe the capture info with a scan tool. Are there any DTCs that have not been diagnosed?	-	Go to Diagnostic Trouble Code (DTC) List - Vehicle	System OK