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	 2003 Mercedes-Benz CLK320 3.2L Cooling Fan on High 
		
		Radiator fan on high speed all the time, customer replaced fan assembly, checked wiring to fan module,no breaks. Saw where bad MAF sensors can cause this, I unplugged the MAF & fan still on. Also was told from MB tech ME modules are common cause but how do I v... 
                        
                            Summary posted 7/25/2017
                             
                 
                            
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         Message Closed w/Summary 
	   
	   
	   
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| VIN | WDBTJ65J63 | 
| Engine | 3.2 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / SEFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Cooling Fan on High | 
| Occurs | Always | 
Trouble Codes
| P2073 | O2 Sensor Implausible | 
Message Closed w/Summary
            
            
 Vehicle Data
                2003 Mercedes-Benz CLK320
| VIN | WDBTJ65J63 | 
| Engine | 3.2 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / SEFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Cooling Fan on High | 
| Occurs | Always | 
Trouble Codes
| P2073 | O2 Sensor Implausible | 
                            
9 Replies Received
          9 Replies Received
          
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