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2001 Hyundai Elantra GLS 2.0L MIL Lamp on
Posted to Asian Driveability on 2/13/2008 5 Replies

Customer had some work done on the car due to MIL light always on. She had B1S1 and B2S2 replaced also cataylist under warrenty. Car still has PO133 code. I scanned the vehicle ,with lab scope connected 02 sensor seems flucuating at bank 1 300mv.-800mv. bank 2...

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car Vehicle Data

2001 Hyundai Elantra GLS

VIN KMHDN45D21
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
Message Closed

car Vehicle Data

2001 Hyundai Elantra GLS

VIN KMHDN45D21
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response