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I have onan 4k model# 4KYFA26100K, RV try to start it starts wont stay running, carb looks good oil level good fuse ok

I ryead it could be a bad oil switch but I can not see any, read you could disconect it and just leave it unplugged cause onan said they caused alot of problems and I cant find a diagram or wire schematic

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The oil level sensor is a vital piece of equipment to save your engine when the oil level is too low
talk with generator repair shops as the sensor is generic and you may be able to get a good unit that fits another brand
you can test by bypassing it
however check the fuel flow through the metal tap as the corrode internally and block the flow of fuel--especially if you use e-mix fuel
the oil switch is screwed into the sump near the dipstick with 2 wires running back to a small box about the size of a match box

Posted on May 10, 2017

Testimonial: "do you have a picture cause I cant see anything in or near the dipstick"

  • Bill Boyd May 10, 2017

    trying to determine what engine you have and it comes as RV QG 4000 remote muffler
    looking in the power.cummins.com web page on some engines it is shown next to the oil filter and on others it is not shown however that all show a fault code for low oil level which means that they must have sensor fitted some where
    I would go to an cummins /onan service center and make exacting inquiries of the shop as to where it is

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