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Thread: Damn VN hates starting cold.

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    Default Damn VN hates starting cold.

    I have checked the geasket seals in the intake manifold and throttle body and there new and installed right, i have also checked the IAC sensor and it works i have made that air tight as well. It idols on 1000rpm. When starting hot it starts easy, starting cold it cranks over for over 3 seconds then only starts with my foot on the gas pedal, idols ruff then works fine. Im out of ideas as to what is causing it.

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    sounds like dribbling injectors and its flooding when cold , starts ok when hot cause the fuel will evap when left for short periods of time but over night or longer periods the fuel will not evap easy in a cold motor clean your injectors check your fuel pressure reg to signs of fuel leaking thru it

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  5. #5
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    i used injector cleaner a month or so ago, i will chack the reg and see if there leaking

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    ECT sensor engine coolant temp tells the ecm the water temp of the engine if reading incorrect can cause a rich running problem excessive fuel usage and hard starting due to over rich mixture . should be located in the front of the manifold under the alternator if i remember correctly

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