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Re: Hard starting 466

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Tx Jim

12-22-2013 04:01:17

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I wonder if fuel is draining back to tank from inj pump? There has been check valves at fuel filter that have failed that let fuel drain back.

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Kent Petersen

12-22-2013 05:57:32

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 Re: Hard starting 466 in reply to Tx Jim, 12-22-2013 04:01:17  
you can by that check valve for about $4.00 and install in the fitting on the filters it will make a big diff if the old one is lecking

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12-22-2013 14:44:09

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 Re: Hard starting 466 in reply to Kent Petersen, 12-22-2013 05:57:32  
It is easy to check if its draining back. just pump the tansfer pump on the side of the pump and listen for the fuel going over the return valve. When the pump is full of fuel it will make a sweaking sound as it goes by the little ball in the relief valve.

Hey that is an IDEA. if that is not holding back enough pressure it will start hard and not have enough horse power. Some of those have shims inside, and need to be set at the injection pump place. Could have something stuck in it. Not good because if it does it came from the pump.

Its good to hear the magnet is strong enough to hold the fuel rail. If they get weak it will not start well. It is sort of like a choke. Full fuel until it gets running.

You can always try top timing. It does not take much. The width of a line is sometimes enough. I think it is sooner that will make it start better. you will have to look at which direction the pump turns. This is making my head hurt. I usually just ask the injection pump place.

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