Do any of you have experience in the Detroit powered bus? My problem is that yes my fuel is really low, but it has been before. but when I start my bus, it runs for a little while and stalls the secondary filter bone dry, primary about 2/3 full. could it be caused from low fuel? I can't get fuel till the end of the week. but I would feel better if someone could let me know if it is possible

This info comes from my trucking days, 35 years ago. But if you're talking Detroit Diesel 71 series, they were all similar as they were all two stroke diesels.Once when I ran out of diesel in an 8V71, a hand pump was used to get the fuel from the tanks up to the filters, engine and running. I don't remember the details. This may apply.Also, in an emergency, I've used starting fluid to fire up an out of fuel 4 stroke diesel (Mack Maxadyne). It ran the engine just enough to get the fuel from the tank to the cylinders. I don't know that this would work with a 71 series.Perhaps this will help a bit.

Shane, You might want to join one of the two bus conversion forums. You'll get hooked up with lots of folks with hands on experience with your rig.

Could be low fuel, hole rusted in pickup pipe in tank, leak in fuel line, line pluged, filter gasket not sealing. Your fuel pump will not pump air. You have to find a means to force fuel through it to reprime. Some buses have wide tanks. If it is parked on a slope, with low fuel level, it will suck air.What kind of bus?

Wow, a "671"! I've not heard those numbers in quite a while. Way back in '80 when I joined SDFD, we had (4)- 6V53s, (2)-671s about 3 dozen 8V71s and had just purchased (10) of the "92" series. I actually liked all those series Detroit's. I personally think the sound of a 92 series is the BEST sounding diesel engine ever. The 6-53 series were so incredibly loud they drove us all nuts. The 8-V71 series were fun to drive and, the 92 series were seriously fast, for it's day. Anyway, I hope you get that "bit of nostalgia" working. Has it done this same thing before, with the same level, more or less of fuel? Or, is this something new? Scott

Detroit Diesel 671 fuel issues | Good Sam Community

13 Replies

Bikeboy57
Explorer
May 16, 2013
Shane,

You might want to join one of the two bus conversion forums. You'll get hooked up with lots of folks with hands on experience with your rig.
CoachPotato
Explorer
May 16, 2013
This info comes from my trucking days, 35 years ago. But if you're talking Detroit Diesel 71 series, they were all similar as they were all two stroke diesels.

Once when I ran out of diesel in an 8V71, a hand pump was used to get the fuel from the tanks up to the filters, engine and running. I don't remember the details. This may apply.

Also, in an emergency, I've used starting fluid to fire up an out of fuel 4 stroke diesel (Mack Maxadyne). It ran the engine just enough to get the fuel from the tank to the cylinders. I don't know that this would work with a 71 series.

Perhaps this will help a bit.
ScottG
Nomad
May 16, 2013
Fuel tank vent clogged?

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Detroit Diesel 671 fuel issues

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