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Old 07-06-2022, 08:41 PM   #2
ChevyTech
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Join Date: May 2004
Location: Minnesota
Posts: 4,620
Re: Help interpreting ALDL data

The numbers show it is not up to operating temp and is running in open loop where the system runs off the program instead of the using the oxygen sensor to control the fuel mixture.

The battery voltage is to low. It looks like the alternator is not working at all.
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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.
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