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Thread: Westerbeke EFI generator issues

  1. #21
    Senior Member Stmbtwle's Avatar
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    Good idea! I'm sure Westerbeke can test it, not so sure about a local shop.
    She's a tired old barge but she's paid for!

  2. #22
    Super Moderator OLD HOUSEBOATER's Avatar
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    Any body close you can try on their Genny? These are a fairly common unit.

    Did you unplug and spray every connection with contact cleaner?
    The fries are cold so we gave you extra.

  3. #23
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    If they cant test it in the shop I will try to find one to swap it out for a test. Also no did not spray contact cleaner. I was having a hard time finding the muffler plug to pull. Pulled what looked like it might be it but there was no water in it. I wonder if it was the right thing or not. We attempted to crank it many times so I was expecting some water.

  4. #24
    Senior Member easttnboater's Avatar
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    Does your muffler look like this?

    http://www.starmarinedepot.com/cente...FdgJgQodmicACg

    It should have a drain plug close to the bottom edge.

  5. #25
    Senior Member Stmbtwle's Avatar
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    If there was no water in the muffler maybe you have a water pump issue, and some safety circuit is shutting down the fuel?

    I installed a water-flow alarm on my old diesel. No water flow doesn't shut the engine down, but does set off an alarm.
    Last edited by Stmbtwle; 11-21-2016 at 02:45 PM.
    She's a tired old barge but she's paid for!

  6. #26
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    Thank you for the picture. We will be able to locate the plug now. Also, The shop loaned us a used ECU for a week for $118. If that is the problem they will sell it to me for $880.

  7. #27
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    Well it is not the ECU that is the problem. Still doing the same thing.

  8. #28
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    Here is a video clip that I posted on youtube of our generator.
    https://youtu.be/ZYQ60bOEtqI.

    P.S we were able to locate the plug in the muffler and drain the water.
    We are going to replace spark plugs tomorrow.

  9. #29
    Senior Member Frantically Relaxing's Avatar
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    OK-- You have 40psi of fuel pressure.
    This means the problem isn't any sort of fuel cutoff issue (low oil, low water etc) ... mostly because those types of shutdowns don't come into play until the thing is actually running, plus, the way they work is they cut off power to the fuel pump. And you have pressure!

    A new ECU didn't change anything. And you have lots of fuel pressure but no fuel in the cylinders.

    I don't know what these engines rely on to locate the #1 cylinder and TDC, but I have a feeling that they work like early EFI did, which would be a crank sensor to tell the ECU where TDC of each cylinder is, and a cam sensor to tell the ECU when the #1 is at TDC... this is so the ECU knows how to sequence the spark. My old '84 Turbo Buick has exactly such a setup. The start procedure is this:
    Turn on key- this energizes the fuel pump.
    Start- Engine cranks, and the ECM(U) looks for a signal from the crank sensor AND the cam sensor. BOTH sensor signals must be received, or the ECU will not open the injectors OR start the spark-firing sequence...

    ---- you have lots of fuel pressure and bone dry spark plugs, which perfectly fits a sensor issue...

    If you do have a cam sensor, and it goes dead while the engine is running, the engine will stay running, as it's only used to locate the #1 TDC compression stroke. But afterwards it won't start. You said yours died while running- You should ask your mechanic friend how and where the crank position sensor is on that thing. Hopefully that's all it is, they're way cheaper than computers!
    Last edited by Frantically Relaxing; 11-29-2016 at 11:34 PM.
    1988 SkipperLiner 53x14
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  10. #30
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    Thank you for your information. The update is that we changed the spark plugs. They are wet and have soot on them after we attempted to restart.

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