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Old 03-06-2009, 02:00 PM
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throwing a code. (Left bank o2 pre converter heater circuit malfunction)

the car seems to start a little rough but everything is fine after that but what could cause this? the car is a 98 ls1 with 122k
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Old 03-06-2009, 02:29 PM
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might need a new sensor
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Old 03-06-2009, 02:45 PM
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Lazy o2 sensor.
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Old 03-06-2009, 04:59 PM
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Sounds like a new O2 sensor on the left side before the cat
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