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#1
09-24-2024, 04:05 PM
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90 thunderbird supercoupe won't stay running when engine cold.
I have a 90 thunderbird sc. It won't idle when I start it up when engine is cold. It just keeps stalling. If I give it gas I can keep it running. Once its warmed up it will run on its own. I'm not getting any koeo codes.
Iv tried different IAC valves and TPS sensors,and barometric pressure sensors,and no changes.I have a coolant temp sensor on order. I unplugged the coolant temp sensor and it still has no changes. Any ideas out there? 
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#2
09-26-2024, 02:38 AM
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Re: 90 thunderbird supercoupe won't stay running when engine cold.
Well I figured out the throttle body door was to closed,some how the screw backed itself out.i turned the screw to open it more and it runs fine again... I feel pretty stupid but at least it was an easy fix...🤪
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