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	 2002 Mercedes-Benz ML320 3.2L Erratic Ion Reading 
		
		Truck came in for CEL illuminated and diagnostics proved out an inoperative EGR valve due to defective vacuum transducer. Valve & transducer assembly was replaced, code cleared & test drive confirmed fix. While on the test drive I looked at the Ionic Current S... 
                        
                            Summary posted 7/1/2014
                             
                 
                            
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         Message Closed w/Summary 
	   
	   
	   
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| VIN | 4JGAB54E32 | 
| Engine | 3.2 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Erratic Ion Reading | 
| Occurs | Always | 
Message Closed w/Summary
            
            
 Vehicle Data
                2002 Mercedes-Benz ML320
| VIN | 4JGAB54E32 | 
| Engine | 3.2 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Erratic Ion Reading | 
| Occurs | Always | 
                            
4 Replies Received
          4 Replies Received
          
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