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  1. #1
    Member
    Join Date
    Nov 2016
    Location
    Kentucky
    Posts
    13

    175 efi will not run in cold weather

    1998 175 efi motor will not keep running in temps below about 37 degrees. At temps above that it starts and idles fine. It will start and die, can't get to rev up unless I start it about 25-30 times then have to play with throttle to keep running. After it warms up all is fine. Checked air temp sensor engine temp sensor. Fuel psi is 39. New fuel filter. Always run pure gas or add stabil 360 on few occasions I couldn't get pure gas. Always kept in heated garage. HELP

  2. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    14,092
    #2
    possible ecu problem see if you can find a loaner to try, also there is a way you can rig up choke for this problem,were sensors viewed on cds or ddt??? might also check in v6 section need ser num
    .................................................. ...the scariest thing in life is the unknown ...................................