03 RX1 IDLE PROBLEM (HELP)

sxviperfan

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I JUST RECENTLY BOUGHT AN 03 RX1 AND I CAN NOT FIGURE OUT MY IDLE PROBLEM. IT IDLES REALLY LOW LIKE 900 AND WHEN I TRY TO ADJUST IT, WHEN I BLIP THE THROTTLE IT RACES UP TO 2000. WHEN I TURN THE IDLE SCREW BACK DOWN AND BLIP THE THROTTLE AGAIN IT THEN GOES BACK TO 900. I CAN NOT GET IT TO IDLE AT 1350. AND IT MISSES. I HAVE CHANGED THE PLUGS AND CLEANED ALL THE CARBS AND THE JETS. I TRIED TO SYNC THE CARBS BUT IT IS HARD TO DO WHEN IT WONT IDLE RIGHT. ANYONE ELSE EVER EXPERIENCE ANYTHING LIKE THIS? I AM STUMPED. :o| :o| :o|
 
Mine did the exact same thing, but it was turbo related. A leaking vent line to the float bowels.

I would check the float bowel vent lines to make sure one is not pinched. Also, did you check the fuel screws.

Mine acted like a piped 2 stroke that would get in a lean spot on the needles. If the fuel screws are less than 2 turns off seat, I would try and turn them out to 2 turns.
 
Try moving the throtle cable around slowly while it is idling..Does it idle faster? I had to find a position that the cable didn't move around, watch the motor jump when you hit the flipper....
 


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