A week ago i noticed rv was struggling to maintain fuel pressure and rv would start then die after a few mins. Called rv mobile mechanic and after doing his diagnostics he felt it was definitely a bad fuel pump. So here's what happened next.So i had a local mobile rv mehanic come to my house and put in a front and rear fuel pump, new fuel filter and new regulator as well as siphon out all old gas n refuel with new gas. Test drove afterwards and finally the rv maintained good fuel pressure. We went for a 20 mile drive and everything was good. Well this morning went for another drive and everything was fine for approximately 10 or so miles then all of a sudden the rv died. Please any ideas? His shop opens tomorrow morning so it will need to be towed there. For right now, its dead on the side of the road.

Is it possible its a electrical issue and not fuel related?

It may be something as simple as a lose wire to the new pump. And of course, just because something is NEW, doesn't mean that it's all that good.....the new pump could fail too:(Did you try the engine after it cooled down? you may be getting vapor-bound, causing the engine to stall.Good luck:)

sounds to mw like a bad coil it heats up and quits working

Fuel tank vent? In order for fuel to come out air has to go in.It is always helpful for a poster to supply as much info as possible, "rv" doesn't give much to go on.

NEED HELP ASAP! | Good Sam Community

mike73
Explorer
Sep 15, 2013
Is it possible its a electrical issue and not fuel related?
PapPappy
Explorer
Sep 15, 2013
It may be something as simple as a lose wire to the new pump. And of course, just because something is NEW, doesn't mean that it's all that good.....the new pump could fail too:(

Did you try the engine after it cooled down? you may be getting vapor-bound, causing the engine to stall.

Good luck:)
newman_fulltime
Explorer II
Sep 15, 2013
sounds to mw like a bad coil it heats up and quits working
beemerphile1
Explorer
Sep 15, 2013
Fuel tank vent? In order for fuel to come out air has to go in.

It is always helpful for a poster to supply as much info as possible, "rv" doesn't give much to go on.
Big_Katuna
Explorer II
Sep 15, 2013
Make, Model, Year, Engine?
mike73
Explorer
Sep 15, 2013
1989 ford fleetwood flair with ford 460v8 engine. 7.5 litre gas. 57k miles..mechanic checked fuel vent n said was fine.
mike73
Explorer
Sep 15, 2013
He ran his meter on the new pumps n both were getting plenty of current so pumps are definitely working good. Just very odd that after all new parts installed it ran fine for a half hour or so then started acting up n died
deleted-2
Explorer
Sep 15, 2013
That's most likely a fuel filter.
mike73
Explorer
Sep 15, 2013
Fuel filter was replaced last week
gotsmart
Explorer
Sep 15, 2013
It might be time to go to a heavy truck service center. You can start with Ford. I'm assuming you can keep it running long enough to drive it to the shop:

http://www.ford.com/commercial-trucks/

Not all heavy truck centers (Ford or independent) will work on motorhomes anymore. If that's the case when you call them, tell them that the problem appears to be isolated to the fuel system. They may take the job if the problem is not too big.

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