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how to read engine codes on 28hp efi kohler

Discussion in 'Mechanic and Repair' started by milo, Nov 7, 2012.

  1. milo

    milo LawnSite Bronze Member
    Posts: 1,240

    just what it says... what wires do i jump or how?????
     
  2. BigFish

    BigFish LawnSite Silver Member
    Posts: 2,911

  3. pugs

    pugs LawnSite Gold Member
    Posts: 3,018

    Dont jump any wires.

    Do you have a light on the machine? I hear some new machines they arent installing one so thats why I ask.

    If you have a light, turn the key on and off 3 times and then it will start spitting out the codes. If you dont have a light, you would need to hook one up or get the laptop cable/software.

    All the info on codes is in section 5.b or 5.c or something of the service manual available at kohlerplus.com
     
  4. Richard Martin

    Richard Martin LawnSite Fanatic
    Posts: 14,700

    That's on and off 3 times and leave it on the third time.

    I just did mine to confirm the procedure and it spit out 3 codes. It's been running just fine but has been using a lot of gas. The codes are 31,34 and 61.
     
  5. Richard Martin

    Richard Martin LawnSite Fanatic
    Posts: 14,700

    Code 31 is the 02 sensor and 34 means the computer is in open loop. 61 means it's done with codes.
     
  6. Richard Martin

    Richard Martin LawnSite Fanatic
    Posts: 14,700

    But I made a mistake. I checked the codes with the engine cold. Never do that. You'll get the improper codes.
     

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