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Re: Help interpreting ALDL data
The system is in open loop so it is not using oxygen sensor data to adjust the fuel mixture.
The coolant temp is below the threshold for multiple ECM functions.
The inactive oxygen sensor reading fits with it being to cold.
The IAC is not in the range I would have it. It is close to losing control.
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For those of you that are wondering why you are not getting replies to your thread:
Did you give the model, year, engine, fuel system type, and transmission information?
If it is modified from what came stock from the factory, let us know that too.
Last edited by ChevyTech; 08-23-2022 at 02:59 PM.
Reason: Add more
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