 
				
	| 2001 Chevrolet Malibu 3.1L MIL Lamp on This car had a grand total of 4 cat on it, the first one was a after market and the other were walkers cats. after about 1000 miles or 3months it would eat up a cat and the o2's would be the same and it would have a code po420 The cat will not light [...] wate... 
                        
                            FIX posted 4/29/2010
                               
                    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 19 Replies Received (View Replies)19 Replies Received (Hide Replies)
 | Message Closed w/FIX 
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| VIN | 1G1ND52J21 | 
| Engine | 3.1 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | 3 Months | 
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2001 Chevrolet Malibu
| VIN | 1G1ND52J21 | 
| Engine | 3.1 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | 3 Months | 
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) | 
 19 Replies Received
19 Replies Received
 19 Replies Received
          19 Replies Received
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