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    chatosf's Avatar
    chatosf Posts: 4, Reputation: 1
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    #1

    Jan 6, 2009, 02:11 AM
    Speedometer don't work
    I have a 1990 honda accord 2 door ex and the speedpmeter don't work and would like to know how I can tell if it is the whole tach that is needs to replaced or a quick fix and all help would be nice

    I have replaced all the fuse in the box and under the dash and that's about it
    this8384's Avatar
    this8384 Posts: 4,564, Reputation: 485
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    #2

    Jan 6, 2009, 03:07 PM

    Not sure if your car has a speed sensor; that may be the problem.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #3

    Jan 6, 2009, 03:24 PM

    If the odometer and trip meter work, but the speedometer does not, inspect the speedometer, then the printed circuit board.
    chatosf's Avatar
    chatosf Posts: 4, Reputation: 1
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    #4

    Jan 6, 2009, 05:28 PM

    Both trip and odometer don't work along with the speedpmeter and this is my firls honda I'm a Mitsubishi guy lol
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #5

    Jan 6, 2009, 06:21 PM

    Since the speedometer, odometer, and trip meter do not work:

    . Test all underdash fuses with a test light or multimeter. Be very thorough.

    . Examine and clean the Variable Speed Sensor (VSS) connector on the transmission.

    . Clean the main ECM ground, located on the thermostat housing, since the VSS grounds via the ECM.

    . Replace the VSS, if the problem persists.

    That's the best I can do.
    chatosf's Avatar
    chatosf Posts: 4, Reputation: 1
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    #6

    Jan 6, 2009, 06:28 PM

    OK thanks will do that also the engine light came on and I read the code 41 which is 41 Primary oxygen sensor heater that means I should replace the o2 sensor or something elss?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #7

    Jan 6, 2009, 06:33 PM

    Here's how to replace the Oxygen Sensor:

    https://www.askmehelpdesk.com/cars-t...tml#post223376

    Stay away from Bosch sensors.
    chatosf's Avatar
    chatosf Posts: 4, Reputation: 1
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    #8

    Jan 6, 2009, 06:45 PM

    Thanks will let you know how it went and thanks for all your help
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