 
				
	| 2009 Audi A4 Quattro 2.0L MIL Lamp on This car came in a month ago with p0302,p0304,p2279, and p2188. At that time I could not duplicate the problem. I smoke checked the intake, and found no [...] fuel trim was only 2% ST and LT. I tested the purge valve, and it did not leak, and it operated prope... 
                        
                            FIX posted 5/9/2016
                               
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 | Message Closed w/FIX 
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| VIN | WAUSF78K99 | 
| Engine | 2.0 L / 4 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / Direct | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Intermittently | 
Trouble Codes
| P0506 | Idle Speed Control System Lower Than Expected | 
| P050B | Cold Start Ignition Timing Performance Problem | 
| P052A | Cam adj. B1 intake | 
| P2178 | Fuel Trim System Lean At Idle Speed (Bank 1) | 
| P2271 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich | 
| P2279 | Intake Air System Leak | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2009 Audi A4 Quattro
| VIN | WAUSF78K99 | 
| Engine | 2.0 L / 4 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / Direct | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Intermittently | 
Trouble Codes
| P0506 | Idle Speed Control System Lower Than Expected | 
| P050B | Cold Start Ignition Timing Performance Problem | 
| P052A | Cam adj. B1 intake | 
| P2178 | Fuel Trim System Lean At Idle Speed (Bank 1) | 
| P2271 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich | 
| P2279 | Intake Air System Leak | 
 7 Replies Received
7 Replies Received
 7 Replies Received
          7 Replies Received
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