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  1. #1
    Non-member allanr5gtt's Avatar
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    hunting on tick over

    i have had f4r lump sat up for a while ,but now have it up and running but it hunting on tick over (up and down up and down)
    i thought it was an air leak as the manifold have been off when the cambelt was done (not been running since) but after checking for air leaks a few times . i woundering if it could be water temp sensor ?or could the cam belt being a tooth out causeing the hunting?
    thanks allan

  2. #2
    Non-member Pete@Backyard Racing's Avatar
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    Re: hunting on tick over

    Sounds like a breather fault split vac hose or probably a sticking throttle body.

  3. #3
    East Midlands Area Rep Kingscott's Avatar
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    Re: hunting on tick over

    Possibly idle control valve? remove try a clean or replace! but I must admit it does sound like a slight manifold air leak, can you hear a sucking sound anywhere?

    How much is it hunting? them engines do

    Regarding the belt being out, I believe it would miss right through the rev range if this was so.

  4. #4
    Non-member Pete@Backyard Racing's Avatar
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    Re: hunting on tick over

    Try spraying a can of carb cleaner around the engine and listening for an increase in tick over

  5. #5
    Non-member allanr5gtt's Avatar
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    Re: hunting on tick over

    Quote Originally Posted by Pete@Backyard Racing View Post
    Sounds like a breather fault split vac hose or probably a sticking throttle body.
    could be throttle body, i will try that tomorrow.

    what about tps being out of line?

  6. #6
    Non-member allanr5gtt's Avatar
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    Re: hunting on tick over

    Quote Originally Posted by Kingscott View Post
    Possibly idle control valve? remove try a clean or replace! but I must admit it does sound like a slight manifold air leak, can you hear a sucking sound anywhere?

    How much is it hunting? them engines do

    Regarding the belt being out, I believe it would miss right through the rev range if this was so.
    doesn't have idle control valve, but thats what it's like?

    it's hunting around 500 or 600 rpm

  7. #7
    Non-member allanr5gtt's Avatar
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    Re: hunting on tick over

    Quote Originally Posted by Pete@Backyard Racing View Post
    Try spraying a can of carb cleaner around the engine and listening for an increase in tick over
    good idea bud didn't think of that something else for tomorrow.

  8. #8
    Non-member allanr5gtt's Avatar
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    Re: hunting on tick over

    turned out to be map senor had a bad earth.

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