Car doesn't want to stay running-rpms drop and it dies...weird problem
#1
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So my car has been running fine for a month or so. I left work, drove for 10 minutes, stopped, ran into restaurant, 10 minutes later came out and cranked it but the car just wanted to drop to 0 rpm and die unless I gave it gas to keep it running. I had a 15 minute drive home and if I let my foot off the gas in neutral the car would just drop rpms to 0 and die. Yesterday was a warmer day-about 85 where it hasn't really gotten above 75 this year so don't know if this could be a factor or not. Also, I've pretty much driven straight from work to home or vice versa-never turned the car off while warm and try to restart it so maybe that's a factor. I've done some searching and seems there is a heat soak issue with the AIT, but mine is located in a pretty good spot where this shouldn't be an issue according to what I'm reading.
So I get the car home and into the garage and then it idled fine.![vash](https://www.miataturbo.net/images/smilies/vash.gif)
Any ideas? I do have my idle set fairly low-about 900rpm. Also, I'm running standalone with the idle mod
So I get the car home and into the garage and then it idled fine.
![vash](https://www.miataturbo.net/images/smilies/vash.gif)
Any ideas? I do have my idle set fairly low-about 900rpm. Also, I'm running standalone with the idle mod
#6
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ok, so I changed the Coolant Corrected Air Density settings to the following:
Temp: 50 55 60 65 70 75 102
Offset: 105 110 115 119 124 129 150
I also bumped my idle up to 1000 rpm, so this might have contributed but now it runs fine and doesn't want to die on me like before...I am noticing a little hesitation when pressing the accelerator-maybe I need to mess with the settings some but it's much better now.
Temp: 50 55 60 65 70 75 102
Offset: 105 110 115 119 124 129 150
I also bumped my idle up to 1000 rpm, so this might have contributed but now it runs fine and doesn't want to die on me like before...I am noticing a little hesitation when pressing the accelerator-maybe I need to mess with the settings some but it's much better now.
#8
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Your issues sound exactly like what ZX-Tex and I are facing on the Adaptronics. Won't idle after shutdown for a few minutes and gets better after some air passes. The funny thing is my IAT's aren't bad after shutdown - maybe 5* up. Sensor is mounted in the passenger fender so outside the engine bay.
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EricJ
Suspension, Brakes, Drivetrain
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09-11-2021 11:10 PM