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Old 08-30-2019, 04:48 PM   #1
kipps
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Join Date: Jul 2014
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Re: Truck turns over but won't start

Disconnect the fuel line as it enters the fuel pump. Push a foot or two of hose onto the pump, and drop it into the open neck of a fuel can. The fuel canister can be sitting on the ground, and it should pull from it fine.

I started a c60 dump truck this method. Started and ran perfectly. Once I had it running, I replaced the fuel line back to the tank, and was able to drive it.
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1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome!
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Old 08-30-2019, 05:31 PM   #2
SilveradoDude
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Question Re: Truck turns over but won't start

Quote:
Originally Posted by kipps View Post
Disconnect the fuel line as it enters the fuel pump. Push a foot or two of hose onto the pump, and drop it into the open neck of a fuel can. The fuel canister can be sitting on the ground, and it should pull from it fine.

I started a c60 dump truck this method. Started and ran perfectly. Once I had it running, I replaced the fuel line back to the tank, and was able to drive it.

Thanks, and the inlet line is the larger of the two hoses correct?
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Old 08-30-2019, 05:51 PM   #3
kipps
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Re: Truck turns over but won't start

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Originally Posted by SilveradoDude View Post
Thanks, and the inlet line is the larger of the two hoses correct?
I was talking about just pulling a line down from the fuel pump, and bypassing the chassis fuel line altogether.

There's no reason you can't pull a hose off the tank sender unit and do the same thing. I assume your '85 will have two hose connections on each tank. One, usually larger, goes to the fuel pump and the carburetor. The second goes to the charcoal canister or a filtered vent somewhere. Trace the fuel lines if you're unsure which is which.
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1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome!
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Old 08-30-2019, 06:23 PM   #4
SilveradoDude
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Question Re: Truck turns over but won't start

Quote:
Originally Posted by kipps View Post
I was talking about just pulling a line down from the fuel pump, and bypassing the chassis fuel line altogether.

There's no reason you can't pull a hose off the tank sender unit and do the same thing. I assume your '85 will have two hose connections on each tank. One, usually larger, goes to the fuel pump and the carburetor. The second goes to the charcoal canister or a filtered vent somewhere. Trace the fuel lines if you're unsure which is which.
Right, the larger hose is the fuel inlet and the smaller hose is the bypass line that goes back to the tank...correct?
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