Question about 1991 Ford Econoline
I have a 1991 Ford e350 Class C RV. About mile 60 of our last trip it started to lose power. It felt like it was going to stall at high speeds but would kick back in again, almost felt like I was running out of gas. Limped into gas station, filled it up, turned it over and it would turn but not catch and start. Finally after 45 minutes, it turned over and I drove it 10 miles when it stalled out again. waited 30 minutes and it started right up. Any ideas? It has a history of electrical issues. Namely that I have to push an unidentified button in the cab that seems to go to a emissions box in the engine to get it to start after it hasn't been driven awhile. The batteries get fried twice a year. I checked the fuses and none are blown but with no schematic I'm not sure what goes to what. Also, and this may be unrelated. I can only put 12 gallons of gas in at a time. A mechanic told me that this is because of a sharp bend in the gasline to the tank. The gas gauge doesn't work either.
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Posted on Jan 02, 2017
SOURCE: I Have a 1995
Hello and welcome to FixYa!
Replacing the given parts is really wise but it looks like that the problem now is not electrical. It looks like that the fuel pump is failing. If the fuel pump is faulty there will be no fuel going to the engine. It works and may fail in any given time. I suggest that you go for fuel pump replacement.
Please take note that you should replace fuel filter as well and if possible please drain out the fuel in tank to get rid of rust and dirt. This can be the issue too. Dirt may be blocking the fuel passage way that's why it stalls. It may start right back up again once the dirt subsides.
Hope this helps and thank you for using FixYa! Have a good one!
Posted on Jul 14, 2011
Ok, this sounds like a weak fuel pump and clogged filter. if possible, you will need to change these two vital devices. I would also replace the air filter as well.
Inspect the injection system for faults as well. make sure all injectors are firing properly and on time. replace any injector that isn't functioning correctly.
Posted on May 29, 2009
Sounds like your alternator is shot. Remove your alternator and take it into Advance Auto Parts store and they can do a test on it. Don't waste any more money on batteries until you get this checked.
Also, don't be fooled by some sellers. A rebuilt alternator is just as good as a new one.
Posted on Aug 06, 2008
You might have what is called vapor lock. The fuel gets so hot that it boils in the fuel pump or the lines. Do this test spay water on the fuel pump to cool it off . ( this only works for a few minutes before it gets to hot and vapor locks again ) If you can Keep the engine heat Off the lines and the Fuel pump it might help. If you have metal fuel lines near a heat source rap them with something such as rubber fuel line sliced down the middle to keep the heat off them If you are using an aftermarket electric fuel pump relocate it down low near the gas tank ( they work better pushing than pulling ) away from any heat source such as exhaust If your using the stock fuel pump try replacing it with a new one it might be getting weak Replace the fuel filter while your at it.
Posted on Jul 29, 2010
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