 
				
	| 1991 Mercedes-Benz 420SEL 4.2L Poor Idle Quality, Cuts out, Stall Hello. This MB likes to warm-up and die. The fuel pumps are losing power. I have been to our fix base: -i suspect that the EZL(spark module) is the problem -have cleaned connections etc... -the TD signal to the fuel pump relay, idle stabilizer and the tach in ... 
                        
                            FIX posted 3/24/2005
                               
                    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 11 Replies Received (View Replies)11 Replies Received (Hide Replies)
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| VIN | WDBCA35E9M | 
| Engine | 4.2 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic | 
| Delivery | FI / CIS-E | 
| Symptoms | Poor Idle Quality, Cuts Out, Stall | 
| Occurs | Always, Hot | 
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             Vehicle Data
 Vehicle Data
                1991 Mercedes-Benz 420SEL
| VIN | WDBCA35E9M | 
| Engine | 4.2 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic | 
| Delivery | FI / CIS-E | 
| Symptoms | Poor Idle Quality, Cuts Out, Stall | 
| Occurs | Always, Hot | 
 11 Replies Received
11 Replies Received
 11 Replies Received
          11 Replies Received
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