Engine - MIL ON/DTC's P2070/P2006/P2007

01 MIL on (DTC P2070, P2006 or P2007 stored in ECM)

24 10 22

2019485/2

June 2, 2010

Supersedes Technical Service Bulletin Group 24 number 08-76 dated December 3, 2008 for reasons listed below.





Affected Vehicles





Condition

^ MIL on.

^ One of the following DTCs is stored:

^ DTC P2070 (Intake Manifold Tuning (IMT) Valve Stuck Open).

^ DTC P2006 (Intake Manifold Runner Control Stuck Closed, Bank 1).

^ DTC P2007 (Intake Manifold Runner Control Stuck Closed, Bank 2).

^ May be slight power reduction at high RPMs.

This condition does not cause stalling.

Technical Background

Vacuum line cracks.

Production Solution

Updated vacuum line.

Service





1. Use the vacuum pump to identify the vacuum leak in the system. Attach vacuum pump as shown in Figure 1.

2. Apply vacuum.

3. Identify leaking vacuum line by separating and blocking each section.

Tip: The vacuum line (06E 133 633) attached to the vacuum pump in Figure 1 is usually the causal part.

4. If a vacuum leak is identified, replace the appropriate vacuum line.

5. If vacuum stays stable during the test procedure, check corresponding actuator diaphragm.

^ DTC P2070 may be caused by a leak in the IMT Actuator diaphragm.

^ DTC P2006 and P2007 may be caused by a leak in the Manifold Runner Actuator diaphragm.





Warranty





Required Parts and Tools

Additional Information

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.