1987 E350 hard start
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1987 E350 hard start
Hi.
I'm new to the fourm and hope to obtain some help. I have a 1987 E350 460CI engine RV with a carb. My problem is this:
If I let the RV sit for, say a week, I have to pump the gas pedal many, many times and grind on the starter 7 or more times (about 15 seconds each time) to get the engine to start. Once started, I have no problems. It will start right away next time, unless I let it sit for a couple of days. Then I have go through the same ritual again.
I don't have the vehicle available at this time so I don't know if it has an engine mounted fuel pump or not. I do have 2 fuel line running under the vehicle so I may have an electric fuel pump.
Do carb. model engines have electric fuel pump?? Could I have both electric and engine fuel pumps ?? Please advise. Thanks
.
Doc Paul
I'm new to the fourm and hope to obtain some help. I have a 1987 E350 460CI engine RV with a carb. My problem is this:
If I let the RV sit for, say a week, I have to pump the gas pedal many, many times and grind on the starter 7 or more times (about 15 seconds each time) to get the engine to start. Once started, I have no problems. It will start right away next time, unless I let it sit for a couple of days. Then I have go through the same ritual again.
I don't have the vehicle available at this time so I don't know if it has an engine mounted fuel pump or not. I do have 2 fuel line running under the vehicle so I may have an electric fuel pump.
Do carb. model engines have electric fuel pump?? Could I have both electric and engine fuel pumps ?? Please advise. Thanks
.Doc Paul
Fleet Owner
Joined: Aug 2005
Posts: 23,667
Likes: 301
From: Easton,Ks
You have a electric fuel pump in each tank and no you do not have a pump on the block.
The Ford part in most cases is one year older than the title and the home part so I will guess you have a 1986 E350.
What you say is about the way it works. The fuel pumps come on when the starter solenoid is engaged and with a dry bowl in the carb with dry lines it can take a few cranks.
After the engine starts the oil pressure switch keeps the fuel relays in to run the engine.
The only way around your problem is to put a push button switch on the dash that gives power to the selected pump to prime the carb. This switch with fuse in line from the battery side of the starter solenoid to the fuel pump point on the starter solenoid should do the trick.
How the system is wired:
/
The Ford part in most cases is one year older than the title and the home part so I will guess you have a 1986 E350.
What you say is about the way it works. The fuel pumps come on when the starter solenoid is engaged and with a dry bowl in the carb with dry lines it can take a few cranks.
After the engine starts the oil pressure switch keeps the fuel relays in to run the engine.
The only way around your problem is to put a push button switch on the dash that gives power to the selected pump to prime the carb. This switch with fuse in line from the battery side of the starter solenoid to the fuel pump point on the starter solenoid should do the trick.
How the system is wired:
/
Posting Guru
Joined: Apr 2003
Posts: 1,903
Likes: 2
From: Wyoming
My '82 RV does the same thing. It's a long way back to the gas tank(s). All that cranking is necessary to get the carb fuel lines primed. I wouldn't consider it "a problem."
I would guess it takes me about 15 seconds one time to get it going. Maybe your hot fuel return 'device' lets too much gas go back to the tank?
I would guess it takes me about 15 seconds one time to get it going. Maybe your hot fuel return 'device' lets too much gas go back to the tank?
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