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I did the ej20 swap on my rs. I followed the instructions on swapping the intake manifold, cam gears, and sensors to go with. When I started it, it ran good for about five hours then got a really bad idol. It would fluctuating from 200 to 3000 then eventually die out. Any help or ideas would be great. O I already tried replacing the knock sensor. Thank you for the help
 

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Stock harness, with the 2.5 intake manifold harness. I believe it is a ej203. And yes it does would have to look up the codes again. Car is currently not with me. Stock 2.5 ecu
 

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01 impreza rs 2.5 two door
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I did the ej20 swap on my rs. I followed the instructions on swapping the intake manifold, cam gears, and sensors to go with. When I started it, it ran good for about five hours then got a really bad idol. It would fluctuating from 200 to 3000 then eventually die out. Any help or ideas would be great. O I already tried replacing the knock sensor. Thank you for the help
Sup
Doing same on my rs
But car won’t start at all
Cranks damm good, try’s to but no luck
I have fuel and spark but not enough
Any ideas I would appreciate
And no codes either
 
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