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  1. 10-01-2024 11:18 AM #1
    Freddyb6
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    B6 a4 1.8t Crank no start issue code P0685

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    Getting a crank no start issue fuel system was tested off vcds and communicated with ecm, checked crank position sensor and showed 300-400 rpm so that’s seems to be okay, however ecm management relay 219 is stuck open, looks okay but actual connection is a bit corroded, this cause a no spark issue?
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  2. 10-01-2024 01:20 PM #2
    walky_talky20
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    J271 ECM Power Supply Relay (probably physically labeled "219") provides power to the coilpacks. So, yeah. That could definitely cause a no start.

    I'm guessing you have no spark.
    ^Don't listen to this guy, he's not even a mechanic.
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  3. 10-01-2024 06:17 PM #3
    Freddyb6
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    Correct no spark

    Just looking for a second opinion before I dump parts into it

    Exactly what I’ve been leaning towards just been trying to source once locally came up with no luck thus far,

    Will post updates once replaced. Thank you!
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  4. 10-01-2024 10:26 PM #4
    Cybersombosis
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    Dealership should have one. It’s just a relay so hopefully they don’t rape you on price.
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  5. 10-02-2024 05:17 AM #5
    old guy
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    Gotta ask the obvious. Have you checked al of your engine management fuses? ( 29, 32, 34 and 43)
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