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Thread: Possible fuel system issues

  1. #11
    Junior Member
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    Quote Originally Posted by sdg3205 View Post
    You should post a video. It sounds to me like you're describing the classic hunting idle, where the idle oscillates between say 500 and 1000 rpm. That's essentially the fuel system chasing its own tail. Again, it's not necessarily a bad thing and it can be tweaked.
    It is the classic hunting idle, between 500 to 1000 rpm, give or take. I need to trouble shoot it. Just not too framilier with the Delorean yet.


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    Gavin
    Vin 6683
    02 RSX
    12 Ram 1500

  2. #12
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    Any insight as to what causes the classic hunting idle?


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    Gavin
    Vin 6683
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  3. #13
    One of those purists you keep hearing about. sdg3205's Avatar
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    Quote Originally Posted by Gavin View Post
    It is the classic hunting idle, between 500 to 1000 rpm, give or take. I need to trouble shoot it. Just not too framilier with the Delorean yet.


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    It can be tweaked but you need to do a lot of research into k-jet before you start adjusting the fuel mixture. It's a very sensitive adjustment that requires a special tool or two and it can go the wrong way very easily. You may have a vacuum leak you can't see that is affecting things in which case adjusting the mixture is the wrong course of action. It's very common to see a vacuum leak where the idle speed pipe enters the mixture unit on the LH side. With the air box off on a cold engine, shine a light under the idle speed motor and leave it there while you press down the metering plate. If you see light around where the pipe enters the mixture unit body, you've got a leak. It's a silly design.

    It's not the reason your engine is stalling though. Forget about the hunting idle until you've solved the stalling issue. Also, there is a large DeLorean presence in AB, have you joined the AB DeLoeans owners Facebook page? Might be a good idea.
    Dave

    Here, somewhere.


  4. #14
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    Hi,
    Thnx for all the advise. Very appreciated.

    I have joined the Alberta Deloreans owners club. Lol.

    I have no plans to adjust the mix. I plan to check for vacuum leaks, test for spark and inspect the fuel filter.....

    My thoughts are that I need to fix the hunting idle, then if it is not the cause of the stalling once the engine is hot..... figure that out.


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    Gavin
    Vin 6683
    02 RSX
    12 Ram 1500

  5. #15
    Senior Member Jonathan's Avatar
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    Gavin, you can also double check that the electrical connections on top of the ignition coil and the ones on the ballast resistor are all good and snug.

    Pics or video, as Dave suggested, you could post some images of your engine bay and perhaps the fuse and relay area behind the passenger seat and then one of us online might see something causing you trouble while you're getting more familiar with the car.
    One damn minute Admiral...


  6. #16
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    This is my fuse box.


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    Gavin
    Vin 6683
    02 RSX
    12 Ram 1500

  7. #17
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    All fuzes look like they are in working order.



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    Gavin
    Vin 6683
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  8. #18
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    I had to tight a hose. No difference.


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    Gavin
    Vin 6683
    02 RSX
    12 Ram 1500

  9. #19
    One of those purists you keep hearing about. sdg3205's Avatar
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    Yikes, that's not a factory fuse box and i see A LOT of splices and cut wires in there.

    Also, where is your RPM (fuel/lamda) relay? Should be up near the back, perhaps tucked under something?
    Last edited by sdg3205; 06-13-2017 at 06:49 PM.
    Dave

    Here, somewhere.


  10. #20
    Junior Member
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    Ya.... the previous owner changed it into 2 fuze boxes


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    Gavin
    Vin 6683
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    12 Ram 1500

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