 
				
	| 2005 Audi A4 Quattro 2.0L MIL Lamp on Vehicle came in with MIL on, codes P3138, P1098, no drivability problems. Confirmed ECM had latest software as per Audi [...]. Ran basic setting(block 142), failed. Confirmed connection, no issues, voltage supply and ground OK. Replaced flap motor, ran basic s... 
                        
                            FIX posted 7/31/2010
                               
                    iATN Members:  Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 3 Replies Received (View Replies)3 Replies Received (Hide Replies)
 | Message Closed 
 | 
| VIN | WAUDF78E75 | 
| Engine | 2.0 L / 4 cyl / GAS | 
| Trans | 6-speed Standard | 
| Delivery | Fuel Injection / FSI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P1098 | Intake Manifold Tuning valve position sensorG336 Open or short to plus | 
| P3138 | Collision Sensor High Input | 
Message Closed
            
             Vehicle Data
 Vehicle Data
                2005 Audi A4 Quattro
| VIN | WAUDF78E75 | 
| Engine | 2.0 L / 4 cyl / GAS | 
| Trans | 6-speed Standard | 
| Delivery | Fuel Injection / FSI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P1098 | Intake Manifold Tuning valve position sensorG336 Open or short to plus | 
| P3138 | Collision Sensor High Input | 
 3 Replies Received
3 Replies Received
 3 Replies Received
          3 Replies Received
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