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Topic: New Holland TL70 runs out of fuel
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09-21-2014 11:58:51

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I have a 70 HP NH tl70. Over a period of 2-years, I am unable to repair problem and it continues to get worst. The tractor would quit after prolong use. Every 40 hrs or so. It would run out of fuel although the tank was over 1/2 full. I would bleed the injectors to restart. They did have much air in them. I changed the lift pump all the filters (two) and all the fuel lines. The problem only got worst. Now it quits every 2 hours or less. To restart, you must, bleed injectors. Generally it will run after two injectors are bleed. A few days ago I installed a electric fuel pump, below the tank to pump into lift pump. The tractor is now quitting every couple of minutes. Must bleed injectors to restart. It runs really good at first. Than rpm"s start dropping slowly, until it shuts down. Runs out of fuel. I vented the fuel tank with a separate line and it has a vented cap. Thanks in advance

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11-17-2014 13:12:01

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Re: New Holland TL70 runs out of fuel in reply to Stan185, 09-21-2014 11:58:51  
had a jd 350 bulldozer that would run out of fuel put new lift pump on, didn't help found out the tank needed cleaned. debris was plugging the hole the fuel line was hooked through. fuel would seep through at a slow rate to fill line but eventually whe n the pump started sucking it would totally shut off the fuel

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09-22-2014 01:55:32

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Re: New Holland TL70 runs out of fuel in reply to Stan185, 09-21-2014 11:58:51  
It is sucking air somewhere, when you bleed you are relieving the "suck" and when everything is running again it start suck air again until it dies.

Does it do it when the tank is full or just 1/2 full? I an wondering if something inside the fuel tank is the culprip?

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