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  1. #1
    mikelytle1077's Avatar
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    idle out of water

    i have reset the tps with candoo and my idle is 1750 in the water now but out of water its around 2000-2100 what gives. is this normal i remeber it being about the same in or out of the water. could it be the iac ?


  2. #2
    monaroman76's Avatar
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    Should be the same in and out the water. Checked for a vacuum leak? Have you visually inspected the throttle butterfly?

  3. #3
    mikelytle1077's Avatar
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    yeah its fully closed only started happening after i put the rxp ecu in it was alot worse it would idle 2000-2100 in the water. i reset the tps with candoo and now it idles 1750 in the water 2000-2100 out of water ?

  4. #4
    skigolfnut's Avatar
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    less drag on prop out of the water maybe?

  5. #5
    imp0ster's Avatar
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    check two things.

    1) Make sure the terminals on the battery are tight. I had this problem in my yamaha jet boat.

    2) Make sure the injectors are flowing like they should be. A weak injector will also do this. It's more evident when you're at constant throttle at certain speeds when you can hear and see your revs twitch a little.

  6. #6
    mikelytle1077's Avatar
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    my rxp is 1780-1800 out of water all day long, this happened after the ecu was installed i reset the tps multiple times its ok in the water. is there a way to test the iac for proper function ?

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