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Hot start issue! Not little wire on fire wall.

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    Hot start issue! Not little wire on fire wall.

    Just got a 318is that starts right up when cold, but once it hits regular operating temp and I stop somewhere I can't get it to start. Just cranks for the most part maybe a little stumble once a while. I have to wait till it cools down to restart right up. Runs great otherwise with good idle and power. Never shuts off while running. I don't think its the Crank sensor because it does not randomly shut off. Is this the coolant temp sensor?

    #2
    sounds like a starter that is about to take a dump imo...
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      #3
      Starter is fine. I noticed that when the hot no start happens the fuel pump relay has no power. I replaced the relay just to be sure. Something is cutting the power to the relay and that should be the DME. It cools down and it starts right up.

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