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Discussion Starter · #1 ·
Hey everyone, im having problems starting my 99 zl 440. About a month or so ago, it started up for me fine, and i washed it off because i was getting ready to sell it. Well it ran fine and i drove it in my barn and shut it off. Now, i am triyn to get it started, and it wont start. It seems to be a fuel problem. I can start it if i put some gas in the cylinders, but once that burns out, i cant keep it going. Maybe the fuel pump, isnt puming enough?? IF anyone has any ideas let me know please... Thank you-----Jarett :dunno:
 

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One of the common things that makes a sled hard to start, hard to get running is dirty carbs, you could bring your carbs to your dealer and get them to soak in a good carb cleaner.
 

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It could be your fuel pump or impulse hose cracked, in fact it did happen once to me that the fuel pump went bad. The fuel pump rebuild kit is not that expensive probably 20$
 

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At the risk of being a smart ass, did you forget to turn the gas on.

You can soak the carbs all day, but if they're dirty they must be disassembled to be cleaned properly.

Is the impulse line from the crankcase to the fuel pump intact? Replace it anyway.

Check the fuel pump. With the ignition OFF, and the fuel lines off the carbs and run into a small container or rag spin the engine over. You should get a small amount of gas for a pull or two.

What about the filter? Dirty or clean?

How old is the gasoline? Old gas = won't run worth a shit.

good luck, gat
 

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go thrgouh the fuel system, soaking a carb with carb cleaner is just putting the dirt lower in the bowl where you dont want it, remove the carbs dissamble them and clean them throughly, and take out the old gas, make sure you check your float height, once the carbs are back on and new gas in, turn the ignition switch off and pull the engine over like 3 time and that will prime the engine with fuel and then turn on the ignition and it should run
 

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Discussion Starter · #7 ·
well i did soak them, but i forgot to tell you guys after that i did take them apart. the inpulse line seemed to be fine but i put a new hose on anyway. I took apart the guel pump but is there any way to tell if the fuel pump is shot from looking at it?
 

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Just a trick that I have learned over time. Open up the gas tank filler/gauge, cover the opening with a rag, and blow into the tank for a quick second or two and then try to fire it up. This will add just a tiny bit of fuel pressure that may be enough to get the fuel pump working. When these fuel pumps get air locked you can pull all day long, a little positive pressure is usually all it needs to prime the fuel pump with some fuel, then it will pump it.

Of course dirty carbs, clogged filter, bad pump, etc will all cause similar problems. I try this trick first as it requires the least amount of effort. Good Luck...Prowler
 
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