O2 Sensors, 0303, and location
03-23-2006, 05:59 PM
#1
Cookin' with Gas!
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Join Date: Sep 2005
Location: Grand Junction, CO
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O2 Sensors, 0303, and location
Today my CEL came on which is great because my car has been running like crap and I have been searching for a reason why. The code was 0303 which I found the information for in the stickies. Can anyone give me a better idea of where to locate it under the car before I tackle this job in the dark tonight.
0303
Diagnostic Trouble Code 0303 indicates a problem with the front Oxygen Sensor on the left cylinder bank. The left bank is also called the front bank. It is cylinders 2,4,6. A normal signal sweeps back and forth between 0.2 volts and 0.8 volts. This malfunction was detected when the Engine Control Module received a signal from the sensor which was a constant value of approximately 0.3 volts.
Possible causes include ...
- Harness or connectors (the sensor circuit is open or shorted).
- Defective Oxygen Sensor
Diagnostic Trouble Code 0303 indicates a problem with the front Oxygen Sensor on the left cylinder bank. The left bank is also called the front bank. It is cylinders 2,4,6. A normal signal sweeps back and forth between 0.2 volts and 0.8 volts. This malfunction was detected when the Engine Control Module received a signal from the sensor which was a constant value of approximately 0.3 volts.
Possible causes include ...
- Harness or connectors (the sensor circuit is open or shorted).
- Defective Oxygen Sensor
03-23-2006, 06:07 PM
#2
Originally Posted by goobergo
Today my CEL came on which is great because my car has been running like crap and I have been searching for a reason why. The code was 0303 which I found the information for in the stickies. Can anyone give me a better idea of where to locate it under the car before I tackle this job in the dark tonight.
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