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    muirsb's Avatar
    muirsb Posts: 5, Reputation: 1
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    #1

    May 19, 2010, 06:01 PM
    1992 honda prelude fuel pump stays on what could cause this
    1992 honda prelude 2.2 fuel pump stays on does not shut off after the 2 second prime causing it to flood and hyper lock what would cause this?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    May 19, 2010, 06:11 PM

    Bad ECM or main relay. Perform the K-Test on the ECM.
    muirsb's Avatar
    muirsb Posts: 5, Reputation: 1
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    #3

    May 19, 2010, 06:25 PM
    What is a k test for prelude ecm
    How do u do a k test on 1992 prelude ecm?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #4

    May 19, 2010, 06:27 PM

    The K-Test: Remove the MAP Sensor connector and turn the ignition switch to ON (Position II). Using a multimeter, check for 5 volts going between the MAP Sensor connector's reference wire (+) and ground. As you look at the connector, this is the socket on the right. Really press the black test lead into a cleaned main ECM ground on the thermostat housing. If the voltage is low, it's probably indicating ECM failure. Most failed ECMs will record a fraction of a volt. To me, the K-Test is simple, elegant, and accurate.
    muirsb's Avatar
    muirsb Posts: 5, Reputation: 1
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    #5

    May 20, 2010, 05:23 PM
    I changed the Ecm in my 1992 honda prelude now fuel pump shuts off but won't start
    I changed the Ecm in my 1992 honda prelude now fuel pump shuts off now but won't start still
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #6

    May 20, 2010, 05:28 PM

    If the CEL comes on and goes out after 2 seconds, when the ignition switch is turned to ON (Position II), then replace the Ignition Control Module and coil:

    https://www.askmehelpdesk.com/cars-t...tml#post265896
    muirsb's Avatar
    muirsb Posts: 5, Reputation: 1
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    #7

    May 20, 2010, 05:48 PM
    It's firing just not starting so there's spark just won't start
    It's firing just not starting so there's spark just won't start
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #8

    May 20, 2010, 06:14 PM

    Stop starting new threads.
    muirsb's Avatar
    muirsb Posts: 5, Reputation: 1
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    #9

    May 22, 2010, 02:01 PM
    I have spark the fuel pump is working correctly but no fuel in the cylinders could
    I have spark the fuel pump is working correctly but no fuel in the cylinders could this be the injector resistor?

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