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Here’s my rat friend I found in one of my MEP 803A. I replaced this bus bar looking thing with a new generic one because the rat pee is corrosive.

Thanks guy, i ended up adjusting the fuel shut off to day. Problems gone!!!! Thanks guys. I Feel much more comfortable with my sets. I can report that these generators do need to be dismantled and put back together to make it reliable again, I had to replace most the seals and fuel lines. I...

The fuel shut off solenoid is not going back and forth like the governor is. Also the throttle leakage is set correctly. Thank you to guyfang for jumping in, your troubleshooting is on another level. What does this tell us guyfang?

You are right, when I move the shut off I’m able to make it run like a normal functioning unit. I just checked the droop, it was set perfect according to the TM’s. I adjusted the droop anyway to see if it helped and it did not. After trying to adjust it one turn at a time, I ended up putting...

Also light in the dark!!!thank you!

I appreciate all the help from chain breaker, ray 70 and guy, you guys are the reason I come to this forum. Thank you

Thank You, I didn’t know the terminology. My generator is definitely hunting.

is it possible the springs have aged? That’s all I see that could be wrong. Does anyone know where to buy the governor springs? I looked all over the place.

I think it’s the governor. Has anyone rebuilt one of these governors? If so what could be wrong with it, I was thinking bad springs. The way it sounds and runs is like when you changed the load really fast on a perfectly working unit. The only difference is that in a perfect unit it quickly goes...

Black

Okay I pumped the diesel tank out again. I then put one gallon of seafoam and one gallon of diesel in the tank. I will let it run a hour and then turn it off to soak over night. Thank you.

Also the fuel pump is working.

It ran for a couple hours at 12KW. I noticed that the rpm go up and down in a rhythm. I’ve seen other mep do the same thing when to much load is put on at once. But my 803A is doing it without a load and with. Also the diesel is brand new, and running other things perfectly. Thank you

I took off the exhaust and it seems to look a even color coming out of each cylinder. What does this tell me? Thanks

I tried to use my IR thermometer and everything seems normal. I will take off the exhaust to see witch cylinder or cylinders are the problem this evening. Thank you

I did this as well. A whole tank full of the gum out brand. Maybe I should try sea foam as well?

It has run all the way up to 12,000 watts and held it. Its running heaters That add up to 12,000 for testing. Also like I said the problem is happening independent of load. Hopefully this info helps Thank you

Hi I’ve been lurking around the forum a few years and recently purchase a mep803-A.anyway Its surging a couple hertz and has produced large amounts of carbon build up in the exhaust in just a few hours. I have changed the fluids and filters and cleaned the switch’s . Hopefully someone can point...