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  1. #1
    Member zp18's Avatar
    Join Date
    Oct 2013
    Posts
    36
    Location
    macungie,pa
    Tractor
    1946 farmall H , John Deere 4200 , John Deere 445

    Default john deere 445 runs rough

    hello, i have a john deere 445 and it has run great since iv gotten it, and within the past few months its been running very odd. its runs fine when its cold but as soon as it heats up it starts to miss and bog when its under a load or not. it has even shut off once or twice on me completely and wouldnt start back up for a few minutes. i have already replaced the MAP sensor and air temp sensor in the air cleaner. i dont know what else could be the problem.. and its really a pain. and help would be appreciated, thanks.

  2. #2
    Gold Member
    Join Date
    Jun 2013
    Posts
    253
    Location
    N. GA
    Tractor
    LX188/445/755

    Default Re: john deere 445 runs rough

    Quote Originally Posted by zp18 View Post
    .. i have already replaced the MAP sensor and air temp sensor in the air cleaner. i dont know what else could be the problem.. and its really a pain. and help would be appreciated, thanks.
    Read this thread.
    http://www.tractorbynet.com/forums/j...ter-about.html

    Also pull the spark plugs. Both look like they are burning good? Do they look the same?
    Are the plug wire ends in good condition?

  3. #3
    New Member
    Join Date
    Oct 2013
    Posts
    3
    Location
    Bastrop, La
    Tractor
    John Deere 5105

    Default Re: john deere 445 runs rough

    I had a similar problem on my JD 5105. It would act fine for a while then begin acting real sluggish. The rpms would go up and down. After fuel filter changes and several other "bright" ideas, I drained the fuel tank, disconnected the fuel lines and blew the out. It must have been trash in the fuel line because it's working fine now.

  4. #4
    Member zp18's Avatar
    Join Date
    Oct 2013
    Posts
    36
    Location
    macungie,pa
    Tractor
    1946 farmall H , John Deere 4200 , John Deere 445

    Default Re: john deere 445 runs rough

    that was the next thing i was thinking of but wasnt sure. i forgot to mention that i also replaced the fuel filter and drained the tank as well. ill let you know how i make out.

  5. #5
    Bronze Member
    Join Date
    Nov 2013
    Posts
    76
    Location
    RI
    Tractor
    John Deere, Ariens, + more

    Default Re: john deere 445 runs rough

    some have a time delay module , 99% of the time if it is the original module this was the problem let us know how you make out thanks.
    Last edited by Wrenchin; 11-16-2013 at 01:16 AM.

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