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Re: Help interpreting ALDL data
The alternator looks to be charging now.
The IAC count at zero means it has lost control. It could have a vacuum leak.
Temp at 180.2 is low for this system. 189 is the threshold to run some self tests. Factory T-stat is 195 degrees.
The integrator and block lean are still not moving. It may still be to cold.
TPS @ 3.1% indicates it is not at idle. If you pushed the gas pedal to start it, that can mess with the TPS readings on this system.
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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; 07-13-2022 at 02:50 PM.
Reason: Fix wording
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