LT1-LT4 Modifications 1993-97 Gen II Small Block V8

HO2S insuficcient switching code...

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Old 04-04-2009, 10:01 AM
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Default HO2S insuficcient switching code...

i have a code for insufficent switching of the O2 sensor, when i installed LT's i spliced the wires in and i checked the wires and the connections are good and the heat shrink wrap is in good condition. any ideas?
Old 04-05-2009, 05:59 PM
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i dont see any shorts... any ideas?
Old 04-10-2009, 07:29 PM
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just so you all know, that code comes on when the internal heating component of your heated O2 sensor is not working properly.

it isnt hurting MPG so and it doesnt matter as long as the other one is functioning. it just might take longer to go into closed loop.
Old 04-10-2009, 07:52 PM
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Originally Posted by impaled
i have a code for insufficent switching of the O2 sensor, when i installed LT's i spliced the wires in and i checked the wires and the connections are good and the heat shrink wrap is in good condition. any ideas?
Sounds like you need to re-splice, a new o2, or run o2 extensions.
Old 04-23-2009, 07:32 PM
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code is off now and has been for a week, i checked my splices and all are intact with the heatshrink and i re-taped around the bundle.



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