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I have a 93 pickup with 22re. when the motor is cold, It idles rough, and rich and when the motor is warm, it does not idle at all and runs way to rich. The SE light is not on, and no codes come up. Need some help. Thank you
 

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I have a 93 pickup with 22re. when the motor is cold, It idles rough, and rich and when the motor is warm, it does not idle at all and runs way to rich. The SE light is not on, and no codes come up. Need some help. Thank you
The coolant temp sensor check is a great idea.
Also check the door in the airflow meter, the spring that keeps the door closed is know for going "BOING" and breaking. This will allow the door to open more than it should and flop around, causing the engine to run rough and rich.
 
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