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Hey my car suddenly developed a high idle problem and i have tracked the problem down to the cold start air regulator which is the unit hidden under the plemium, i removed it and opened it up and found that the little spring had broken, it was just the end loop so i simply bent a coil of the spring to make a new loop and it fits good, my problem is that it is still in a slight open position and i dont know if its cos the spring is worn and not pulling it closed enough or if its in this position cos it was cold when i removed it from the car, maybe it will close when i out it back in the car and the engine gets warm, i dont know how to test it off the car, one thing i read says to just put 12v into it and it will close after a couple minutes and something else said it should be closed. Does anyone know much about this unit??

i am not talking bout the aac valve on the back of the plemium either

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https://www.sau.com.au/forums/topic/466601-cold-start-air-regulator/
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