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Discussion Starter #1
Feeling like a noob. About a year ago I replaced the stock engine air filter with a K&N drop in. It set the engine lite off with an engine code signifying a small leak in the intake system. but I did not do anything about it, the car ran fine.

I just replaced the K&N filter with a stock filter and when I turned the engine over the engine lite immediately went off but the engine idle went wild, dropping to 300 and jumping up to 1600, just going back and forth for several minutes. After it calmed down a bit I drove it and it drove fine and idled fine at stops, but when I started it again the next day, the same wild idling problem is happening. Not sure if there is a relationship to changing the airfilter and this idle problem or if it is just cooincidence.

Any help is appreciated. Thanks.
 
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