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    vtracer's Avatar
    vtracer Posts: 8, Reputation: 1
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    #1

    Nov 12, 2007, 03:06 PM
    1991 Honda Civic Si won't start 5 speed
    I just replaced quite a few parts on my 91 civic. Battery, Alternator, Drivers Side axle, radiator hoses, thermostat. After installing the new battery, I attempted to start the car. When turning the ignition on, the check engine light repeatedly turns on and off. The starter turns the engine over fine when I advance the key to actually try to start the car. The only thing that I have not completed is filling the gearbox with gear oil.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Nov 12, 2007, 06:21 PM
    Perform steps in Sections A and B below:

    https://www.askmehelpdesk.com/cars-t...das-46563.html

    Clean the main ECM ground on the thermostat and see if that solves the problem. If not, be sure to run the K-Test, since the ECM could be experiencing intermittent failure.
    vtracer's Avatar
    vtracer Posts: 8, Reputation: 1
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    #3

    Nov 12, 2007, 10:14 PM
    Comment on TxGreaseMonkey's post
    As you as you mentioned clean the ground on the thermostat, I remembered I forgot to reinstall the ground. The car fired right up afterwards. Thanks, this was a huge help. Very fast response also!!
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