Engine - MIL ON/DTC's P2187/P2197/P2279/Oil Leaks
01 MIL on (P1297, P2187, P2279), oil leaks01 11 37
2015505/9
November 23, 2011.
Supersedes Technical Service Bulletin Group 01 number 11 - 36 dated November 15, 2011 for reasons listed below.
Affected Vehicles
Condition
One or more of the following conditions may be present:
^ MIL on, and one or more of following DTCs are stored in ECM data memory:
^ P1297 (Connection charger-throttle valve, pressure loss).
^ P2187 (Fuel trim bank 1, system too lean at idle speed).
^ P2279 (Intake air system leak).
^ Whistle noise, air rushing noise from engine.
^ Oil leaks from oil filler cap.
Technical Background
The conditions described may be caused by a malfunction of the crankcase ventilation pressure regulating valve or turbo intake pipe (Figure 1), resulting in excessive vacuum or excessive pressure being applied to the engine crankcase.
The guide pin of the check valve in the intake manifold side of the valve (Figure 2) may break, preventing the check valve from correctly sealing when boost pressure is present in the intake manifold. Intake boost pressure may thus be applied to the engine crankcase, resulting in possible oil leaks.
A whistling noise or air rushing sound may be the consequence of an excessive amount of vacuum being applied to the engine crankcase. This condition can be detected by verifying whether the oil filler cap is being firmly held in position to the engine even after it has been unlocked.
Production Solution
Improved crankcase ventilation pressure regulating valve and turbo intake pipe.
Service
1. If you are performing this TSB because of a reference in TSB 2016868 or 2027417 proceed as follows:
^ Inspect that the crankcase pressure regulating valve and the turbo pipe are the new style (Figure 3), if not replace the old style component with the new style component.
^ If you are not performing this TSB because of a reference from a TSB, proceed to Step 2.
2. Verify if new crankcase pressure regulating valve and turbo pipe is installed (Figure 3).
Old style valve and pipe installed:
1. Install improved pressure regulating valve and turbo pipe.
2. Additionally, verify the Warranty keys for this VIN in ELSA:
If warranty key U14 Intake Man RC Motor 10/120,000 US ONLY is present.
^ Perform TSB 2016868, 01 MIL on (DTC P0642, P2004, P2008, P3137, P3138 in ECM).
If warranty key U15 Fuel Pressure Sensor 10/120,000 US ONLY is present:
^ Perform TSB 2027417, 01 MIL on (DTC P310B, P129F, P008B, P129E, P008A, P2540, P0087).
Canada Only: To determine if a vehicle is eligible for a Limited Warranty Extension, check the VIN in Elsa Web>>Vehicle Specific Notes>>Vehicle Data. If a warranty extension is applicable to the vehicle, the Enhanced Coverage" section of the Vehicle Data" screen in ElsaWeb will be populated with the warranty extension parameters.
^ Enhanced Coverage 05 CANAU-WTYEXT-XC, Intake Manifold Runner Control Warranty Ext (AU):
^ Also, perform TSB 2016868, 01 MIL on (DTC P0642, P2004, P2008, P3137, P3138 in ECM).
^ Enhanced Coverage 05 CANAU-WTYEXT-XE, Fuel Pressure Sensor Warranty Ext (AU):
^ Also, perform 2027417, 01 MIL on (DTC P310B, P129F, P008B, P129E, P008A, P2540, P0087).
Improved crankcase pressure regulating valve and turbo pipe already installed
This TSB does not apply, repair vehicle as per GFF diagnostic result and replace only the component causing the malfunction.
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.