
2002 Hyundai Elantra GLS 2.0L MIL Lamp on
Po133 upstream oxygen sensor switch time too slow. A scope of pattern at 2000 rpm shows a switch time peak to peak rich of 1 second, too slow. Signal stays high(rich) for 1.3-1.4 seconds, and low(lean) for only .3-.4 seconds. A rich condition is not present an...
FIX posted 5/6/2015
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Message Closed
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VIN | KMHDN45D72 |
Engine | 2.0 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / MUTLIPORT |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response |
Message Closed
Vehicle Data
2002 Hyundai Elantra GLS
VIN | KMHDN45D72 |
Engine | 2.0 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / MUTLIPORT |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response |