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1999 Dodge Dakota 3.9L MIL Lamp on
This Dakota has had the convertor replaced twice due to a P0420 code that resets after about 3000mi. Upstream and downstream sensors are switching at same rate. Upstream sensor does not seem "lazy". Both sensors react to richening/leaning system. They do not l...
FIX posted 12/23/2013
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Message Closed w/FIX
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16 Replies Received
16 Replies Received
Related Documents & Media | VIN | 1B7FL26X5X |
| Engine | 3.9 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1999 Dodge Dakota
| VIN | 1B7FL26X5X |
| Engine | 3.9 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video