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01-28-2019, 06:29 PM | #1 |
Junior Member
Join Date: Jan 2019
Location: Sierra Vista, AZ
Posts: 9
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Acts like it's starving for fuel.
I just recently bought my first Model A and I am having problems keeping it running. I put in a new battery and it starts right up. It runs and idles well but when I try to drive it, it will start sputtering, backfires, and then dies. If I try to start it right away, it won't fire at all. If I let it set, it will start right up but does the same thing over again.
I have drained the fuel sediment bowl and disconnected and blown out the fuel line. There is a slow but steady stream of fuel coming from the line. I have also taken the carburetor apart (Tillotson, Model X) and cleaned it. I've ordered a carburetor kit but it has not arrived yet. I am going to try adjusting the float next because it acts like it is running out of fuel. I do not believe it is a spark issue because it runs very well until it acts like its out of fuel. I have also turned off the fuel valve after it stops running and removed the drain plug from the bottom of the float bowl and there isn't much fuel that comes out. Is there something else I should be looking for? Thanks, Gene |
01-28-2019, 06:55 PM | #2 |
Senior Member
Join Date: May 2010
Location: new britain,ct 06052
Posts: 9,390
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Re: Acts like it's starving for fuel.
Are you opening the GAV on the right side of the dash when starting (1/2-1 turn CCW and then adj after warming up ??
Paul in CT |
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01-28-2019, 07:04 PM | #3 |
Senior Member
Join Date: Mar 2017
Location: Connecticut Shoreline
Posts: 1,823
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Re: Acts like it's starving for fuel.
Try running your car with the gas cap removed.
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01-28-2019, 07:11 PM | #4 |
Senior Member
Join Date: Oct 2015
Location: Bay City Michigan
Posts: 1,050
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Re: Acts like it's starving for fuel.
How long does it take to stall out? If you have the gav closed it will want to stall when cold and pop while climbing a hill. A bad coil can heat up and start having poor spark. A bad head gasket can let just enough water in to foul plugs and have them dry up by tomorrow. Pull the plugs after the stall and see if there is wetness and if there is get it on a paper towel and determine if it is gas or water. It could be other things too. Best of luck on your repairs.
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01-28-2019, 07:17 PM | #5 |
Senior Member
Join Date: May 2010
Location: Largo Florida
Posts: 7,225
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Re: Acts like it's starving for fuel.
Have you tried running the GAV open 3/4 to 1 1/4 turns open to see if that helps ? Tillotson's prefer the GAV open much more than a Zenith. Also running without the fuel cap is a good suggestion, the vent may be clogged.
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01-28-2019, 10:00 PM | #6 |
Senior Member
Join Date: May 2010
Location: Tucson, Arizona
Posts: 374
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Re: Acts like it's starving for fuel.
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01-28-2019, 10:13 PM | #7 |
Junior Member
Join Date: Jan 2019
Location: Sierra Vista, AZ
Posts: 9
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Re: Acts like it's starving for fuel.
Thank you all for your advice. I had a gentlemen send me a message suggesting it was a clogged fuel shut off valve. He explained how to clear it and I'll be danged if that wasn't the problem. It made perfect sense once he explained it. It is running like a million bucks now.
Gene |
01-28-2019, 10:50 PM | #8 |
Senior Member
Join Date: May 2010
Location: Alabama
Posts: 8,099
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Re: Acts like it's starving for fuel.
how did you clear the clogged cut off valve ?
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01-28-2019, 11:33 PM | #9 |
Senior Member
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Re: Acts like it's starving for fuel.
Gene, If you list your State and city there might be a local member who could help you.
I always look at electrical first. As stated above if the coil is hot to touch let it cool then turn it wires up and see if it will run. Do you have a glass or cast iron sediment bowl. |
01-28-2019, 11:36 PM | #10 |
Senior Member
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Re: Acts like it's starving for fuel.
Gene, Welcome to the Barn!
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01-29-2019, 11:58 AM | #11 |
Junior Member
Join Date: Jan 2019
Location: Sierra Vista, AZ
Posts: 9
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Re: Acts like it's starving for fuel.
After turning off the fuel valve, I loosened the fuel line at the sediment bowl and then removed it from the carburetor. I rotated it so that it was pointed up and secure it at the sediment bowl. I then open the fuel valve and took off the fuel cap. Finally, I blew into the open fuel line 5-6 times while listening for bubbles in the fuel tank. I turned the fuel valve off and reconnected the line to the carburetor and it worked like a milling bucks.
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01-29-2019, 11:59 AM | #12 |
Junior Member
Join Date: Jan 2019
Location: Sierra Vista, AZ
Posts: 9
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Re: Acts like it's starving for fuel.
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01-29-2019, 12:00 PM | #13 |
Junior Member
Join Date: Jan 2019
Location: Sierra Vista, AZ
Posts: 9
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Re: Acts like it's starving for fuel.
After turning off the fuel valve, I loosened the fuel line at the sediment bowl and then removed it from the carburetor. I rotated it so that it was pointed up and secure it at the sediment bowl. I then open the fuel valve and took off the fuel cap. Finally, I blew into the open fuel line 5-6 times while listening for bubbles in the fuel tank. I turned the fuel valve off and reconnected the line to the carburetor and it worked like a milling bucks.
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01-29-2019, 12:03 PM | #14 | |
Junior Member
Join Date: Jan 2019
Location: Sierra Vista, AZ
Posts: 9
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Re: Acts like it's starving for fuel.
Quote:
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01-29-2019, 12:20 PM | #15 | |
Senior Member
Join Date: Jun 2015
Location: Red Deer, Alberta
Posts: 5,046
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Re: Acts like it's starving for fuel.
Quote:
__________________
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01-29-2019, 12:44 PM | #16 |
Senior Member
Join Date: Aug 2018
Posts: 2,332
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Re: Acts like it's starving for fuel.
To keep this from occurring again from junk in your gas tank, recommend cleaning out the tank. Drain Tank, remove shutoff, seal shutoff opening, add some gas or rubbing alcohol, and rock the A to slosh the gas/alcohol around, and immediately drain through a stocking or similar filter. Repeat until comes out clean. Add a pencil filter to the Shutoff and reinstall it. Keep an eye on the sediment bowl and Carb filter, repeat if you see debris (rust, etc). There are many other tricks (magnets, etc) that can also help, lots of info here on the Barn if you do a search.
I've also read where some use a modified tire or bicycle pump to blow out gas lines if you get stuck on the road with a plugged up line. |
01-29-2019, 05:47 PM | #17 | |
Junior Member
Join Date: Jan 2019
Location: Sierra Vista, AZ
Posts: 9
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Re: Acts like it's starving for fuel.
Quote:
Gene |
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01-29-2019, 07:37 PM | #18 | |
Senior Member
Join Date: Aug 2018
Posts: 2,332
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Re: Acts like it's starving for fuel.
Quote:
Here is a link to a supplier listing for the filter. https://www.brattons.com/fuel-tank-filter-screen.html |
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01-29-2019, 09:29 PM | #19 | |
Junior Member
Join Date: Jan 2019
Location: Sierra Vista, AZ
Posts: 9
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Re: Acts like it's starving for fuel.
Quote:
Gene |
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01-30-2019, 07:59 AM | #20 |
Senior Member
Join Date: Jun 2013
Location: Marana Arizona
Posts: 1,776
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Re: Acts like it's starving for fuel.
A lot of the members on this site also post on https://www.vintagefordforum.net/forum
Lots of great info and help can be found on both sites. Welcome aboard, enjoy the adventure, Chap |
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