[Sean Marconette]

Resurrecting an old post before we had a separate Generator section.

Well same problem different year and several hundred hours later we are back to a unreliable generator. Here is what has been done since 2012.
New module, new fuel pump.

A couple of weeks ago the same no restart until it would completely cool back down to ambient temperature. So I replaced fuel filters, drained gas tank and verified no obstructions in outlet (gas tank is fabricated out of steel and is under trailer) replaced spark plugs with factory NGK and gaped .028". Re-inspected cooling fan for obstructions. Added more ducting under trailer, as air being exhausted for cooling could be recirculated depending on which way the wind is blowing. The generator cooling intake and exhaust are separated by the trailer floor joists. So I have closed off the bottom side of the exhaust with aluminum to direct the hot air to the opposite side of the trailer.

The generator runs fine until it is shut off and will not restart, until it's back to ambient temp. Same code 37. This weekend at Topeka, I made the mistake of shutting off when we left the track to go eat, came back a couple hrs later and it would not run. Starts runs a few seconds and shuts down. Cylinder heads ambient but where the module resides is still warm. We run the generator with the door open in the trailer, and the outside door open to access the generator compartment, we even have a fan that is used to cool the car blowing on it to blow air across it from inside.

Friday morning it restarted at 7 am ran until 2:30 PM when it was 100 deg ambient. Removed access cover and let it cool. It would not restart until Saturday morning and I ran it with the access door removed all day, but it was only in the upper 80's. We are the 3rd owner of this trailer and when we bought it the generator only had less than 90 hrs on it. Now we have 770 hrs. I am running out of ideas to try, as it is so unreliable. It's hard to concentrate on what we are doing at the track not knowing if this thing is going to shut off. It's not running out of fuel as I top off the tank throughout the day because of the no restart issue.

Another idea is to relocate the module outside of the generator housing and install a cooling fan on it, as this is obviously where the issue is. What am I missing on this thing? Do the modules not last that long?

Help!!!!

Thanks
Sean