LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Low end stumble, check engine light.....Bad O2s???

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Old 07-02-2004, 11:54 AM
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Low end stumble, check engine light.....Bad O2s???

Lately, the car has this low end stumble which is cured by stomping on it. The car pulls right to the rev limiter hard so its probably not the opti or plugs. The check engine light just started coming on and off here and im wondering if my 02s are shot

what do you guys think??

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Old 07-02-2004, 02:39 PM
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yup its the 02's. i had the same problem.
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Old 07-02-2004, 04:02 PM
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Sweet........thats what I was hoping to hear.
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Old 07-02-2004, 05:50 PM
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yep i had the same problem and it was the 02 sensor
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