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#1
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hi,
the engine will turn over and if i spray carb cleaner in it will run for a few seconds, so i replaced fuel pump (OEM $200 from local dealer -- grrrrrr), and the fuel filter. i tried starting again about 6 - 8 times spraying carb cleaner in and it will run but dies-- still no fuel coming into carb. i pulled off fuel filter and noticed it is about half full of fuel. do i need to keep trying to just keep trying to start it? maybe the system is not full of fuel yet? it just seem like it should have charged by now... am i missing something? any help appreciated... -c |
#2
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posted to rec.boats
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Possibly the carb is plugged up from old gas plugging off the needle
valve? or theres something restricting the fuel line from the carb tot he tank argon wrote: hi, the engine will turn over and if i spray carb cleaner in it will run for a few seconds, so i replaced fuel pump (OEM $200 from local dealer -- grrrrrr), and the fuel filter. i tried starting again about 6 - 8 times spraying carb cleaner in and it will run but dies-- still no fuel coming into carb. i pulled off fuel filter and noticed it is about half full of fuel. do i need to keep trying to just keep trying to start it? maybe the system is not full of fuel yet? it just seem like it should have charged by now... am i missing something? any help appreciated... -c |
#4
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posted to rec.boats
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Yes.
What I would do is disconnect the coil or electronic ignition so you don't ahve a chance of sparks. Then disconnect the fuel line that attach's to the inlet side of the fuel pump and see if you have a good natural fuel flow. if not? then there's a restriction in the line. If that's the case, then use moderate pressure with an air gun and see if you can blow back the clog. If it is stipped up, it should break loose rather easily. if the line is free, then hook back up to the pump and disconnect the fuel line to the filter, that is, assuming you have the filter between the pump and the carb. Cycle the engine over a few times and see if you have a generous supply of fuel spurting from the outlet side of the pump, or filter. reconnect, THEN investgate the Carb. I really don't know much about Carbs, but you might look in Google. Theres lots of sites that could probably help. http://www.google.com/search?hl=en&s...uretor&spell=1 argon wrote: what do you think i should do? should i unhook the line from the fuel pump to the carb and blow air through it? how should i unstick the needle value? (the carb is a almost new Holley)... thanks for the post, -c wrote: Possibly the carb is plugged up from old gas plugging off the needle valve? or theres something restricting the fuel line from the carb tot he tank argon wrote: hi, the engine will turn over and if i spray carb cleaner in it will run for a few seconds, so i replaced fuel pump (OEM $200 from local dealer -- grrrrrr), and the fuel filter. i tried starting again about 6 - 8 times spraying carb cleaner in and it will run but dies-- still no fuel coming into carb. i pulled off fuel filter and noticed it is about half full of fuel. do i need to keep trying to just keep trying to start it? maybe the system is not full of fuel yet? it just seem like it should have charged by now... am i missing something? any help appreciated... -c |
#5
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posted to rec.boats
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thanks, much appreciate the help!
-c wrote: Yes. What I would do is disconnect the coil or electronic ignition so you don't ahve a chance of sparks. Then disconnect the fuel line that attach's to the inlet side of the fuel pump and see if you have a good natural fuel flow. if not? then there's a restriction in the line. If that's the case, then use moderate pressure with an air gun and see if you can blow back the clog. If it is stipped up, it should break loose rather easily. if the line is free, then hook back up to the pump and disconnect the fuel line to the filter, that is, assuming you have the filter between the pump and the carb. Cycle the engine over a few times and see if you have a generous supply of fuel spurting from the outlet side of the pump, or filter. reconnect, THEN investgate the Carb. I really don't know much about Carbs, but you might look in Google. Theres lots of sites that could probably help. http://www.google.com/search?hl=en&s...uretor&spell=1 argon wrote: what do you think i should do? should i unhook the line from the fuel pump to the carb and blow air through it? how should i unstick the needle value? (the carb is a almost new Holley)... thanks for the post, -c wrote: Possibly the carb is plugged up from old gas plugging off the needle valve? or theres something restricting the fuel line from the carb tot he tank argon wrote: hi, the engine will turn over and if i spray carb cleaner in it will run for a few seconds, so i replaced fuel pump (OEM $200 from local dealer -- grrrrrr), and the fuel filter. i tried starting again about 6 - 8 times spraying carb cleaner in and it will run but dies-- still no fuel coming into carb. i pulled off fuel filter and noticed it is about half full of fuel. do i need to keep trying to just keep trying to start it? maybe the system is not full of fuel yet? it just seem like it should have charged by now... am i missing something? any help appreciated... -c |
#6
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Just thought of another thing. If you DO suspect the carb, then
something easier wwould be to call Van's Electric in Indianapolis. They used to be called Vans Carburetor and Electric But still do tons of carb work. They've also been a Holley dealer since the early 60's. Call 1-800-428-4049 Ask for Steve Kelshaw Be prepared with all your info. Application, and carb number[s] They will give you good advice and won't steer you wrong. Good luck! argon wrote: thanks, much appreciate the help! -c wrote: Yes. What I would do is disconnect the coil or electronic ignition so you don't ahve a chance of sparks. Then disconnect the fuel line that attach's to the inlet side of the fuel pump and see if you have a good natural fuel flow. if not? then there's a restriction in the line. If that's the case, then use moderate pressure with an air gun and see if you can blow back the clog. If it is stipped up, it should break loose rather easily. if the line is free, then hook back up to the pump and disconnect the fuel line to the filter, that is, assuming you have the filter between the pump and the carb. Cycle the engine over a few times and see if you have a generous supply of fuel spurting from the outlet side of the pump, or filter. reconnect, THEN investgate the Carb. I really don't know much about Carbs, but you might look in Google. Theres lots of sites that could probably help. http://www.google.com/search?hl=en&s...uretor&spell=1 argon wrote: what do you think i should do? should i unhook the line from the fuel pump to the carb and blow air through it? how should i unstick the needle value? (the carb is a almost new Holley)... thanks for the post, -c wrote: Possibly the carb is plugged up from old gas plugging off the needle valve? or theres something restricting the fuel line from the carb tot he tank argon wrote: hi, the engine will turn over and if i spray carb cleaner in it will run for a few seconds, so i replaced fuel pump (OEM $200 from local dealer -- grrrrrr), and the fuel filter. i tried starting again about 6 - 8 times spraying carb cleaner in and it will run but dies-- still no fuel coming into carb. i pulled off fuel filter and noticed it is about half full of fuel. do i need to keep trying to just keep trying to start it? maybe the system is not full of fuel yet? it just seem like it should have charged by now... am i missing something? any help appreciated... -c |
#7
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posted to rec.boats
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are you sure there's fuel in the tank? Maybe your fuel gauge isn't correct?
I would run a fuel hose from the pump suction and stick it in a gas can to see if the engine then starts. Shouldn't take much more than 30 seconds of cranking to pull fuel up. "argon" wrote in message ps.com... hi, the engine will turn over and if i spray carb cleaner in it will run for a few seconds, so i replaced fuel pump (OEM $200 from local dealer -- grrrrrr), and the fuel filter. i tried starting again about 6 - 8 times spraying carb cleaner in and it will run but dies-- still no fuel coming into carb. i pulled off fuel filter and noticed it is about half full of fuel. do i need to keep trying to just keep trying to start it? maybe the system is not full of fuel yet? it just seem like it should have charged by now... am i missing something? any help appreciated... -c |
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