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I have a mi-t-m pressure washer in the ca-series.The problem is the motor shuts down at times with out any reason. The first time I used it was on a house with a well supplied water. It worked fine,brought it home where I used it with no problem. It was used twice that first year. I then winterized it.The second year brought it out to the same house,I was using it for about a half hour when it just shut off with out any notice. I noticed there was back pressure in the engine when I tried to restart it. Once that was released it would almost start. I waited about 5 minutes then it restarted lasting only about 10 minutes. I then brought it back to the store where I brought it. They checked it out, They ran it for about 45 minutes saying they couldn't find anything wrong. I then winterized it. This year I did my house first.I ran it for an hour and a half with no problems. I went to another house to help him with the power washer. I ran it for about a half hour and the same problem happened as before when I was at the other house. It would run for only 5-10 minutes at a time before just shutting off. Oil level is good. what could it be?

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  • kam011560 Jun 21, 2009

    thank you I will do that.



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Mi-t-m pressure washers have a Low Oil shutdown feature that turns off the motor, this is often causing similar problems on this kind of appliance.

Have oil checked, if oil is fine , then the sensor that controls oil pressure and activate the shut down should be replaced.

Electronic problems , such as a bad soldering joint for example, can also cause shutdown.

Sometimes a faulty pressure pump can also shut down erratically.

If I was in your shoes, as the machine had already been inspected by a technician, I would call Mi T M, and ask the warraty to be validated. There is 7 years warranty on Mi T M pressure washers.

Mi T M can be contacted calling toll free at 1-800-553-9053 or using the online form. Call them , telling that the machine had already be inspected by an authorized technician, and discuss terms for an eventual repair or replacement of the unit.

If my comment had been helpful, please do not forget to accept my solution.



Posted on Jun 21, 2009


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