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2003 Hyundai Elantra GLS 2.0L MIL Lamp on
Hello. I have a Hyundai here that I wish would just go away and I need your help to make that happen. This car runs great to performance problems, it has a CEL on and some codes. My first code is po420 which is a cat code. I tested the cat and it all test good...
FIX posted 2/25/2011
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Message Closed w/FIX
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27 Replies Received
27 Replies Received
Related Documents & Media | VIN | KMHDN45D13 |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P1631 | TCM Internal - Clock Processor Performance |
Message Closed w/FIX
Vehicle Data
2003 Hyundai Elantra GLS
| VIN | KMHDN45D13 |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P1631 | TCM Internal - Clock Processor Performance |
Video