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Hunting idle when warm

 
Old 03-31-2019, 08:40 PM
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Default Hunting idle when warm

Hi guys,

My car, when cold, starts and runs great. When I do a hot restart I get a low idle and it hunts up and down. I took a log and have attached it. Any suggestions?
Attached Files
File Type: msl
2019-03-31_12-08-40.msl (74.1 KB, 3 views)
File Type: msq
CurrentTune.msq (117.2 KB, 4 views)

Last edited by nicholaschase29; 04-01-2019 at 08:32 AM. Reason: added tune
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Old 03-31-2019, 10:28 PM
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They won't/can't do anything for you unless you also post your tune.
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Old 03-31-2019, 11:54 PM
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search for IAT heatsoak and you'll find plenty of threads on this, best solution I've seen is the "anti-ideal gas law" MAT curve someone posted, I think it was Braineack.
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Old 04-01-2019, 01:59 PM
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my IAT was only reading 58 degrees F. Ambient was in the mid 40's. I don't think that's enough of a difference to cause this.
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