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Priming injection pump - John Deere 420,1020,2010,2020,2510,2520 Tractor Float

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Pump it up to get some pressure, and bleed off the air. Do this until you get fuel without air. Pump the primer back up until it is very stiff and fire it up. If it tries to start and fails to do so, pump it as before and hit it again.
Regards,

--W/D--

Posted on Jul 19, 2009

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Posted on Jan 02, 2017

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Car has been sitting up and will not start now. It seems to not be getting gas and I do not know how to prime a fuel injection system. Any help appreciated.


There is only a few cars fitted with an ancient petrol injection system that needed any priming.

Diesel engines mostly need the injection system priming but petrol injection systems do not.

Lots of cars use a system where the fuel pump runs for a couple of seconds when the ignition is switched on and that is all the time it takes to prime the fuel system. After a couple of seconds the fuel pump switches off and waits to restart when the engine is cranked.

As priming the system takes only a couple of seconds some manufacturers don't bother with the brief priming run of the pump and just have the pump start when cranking.

Could be faulty supply, fuse, pump relay or the pump itself.
If the car is fitted with an immobiliser, perhaps that is the problem.

May 07, 2016 | 1998 Mercury Mystique

1 Answer

I Let my chevy Blazer run out of gas,nw it wont start even though the relay and fuelpump is working.


Is it electric or mechanical pump? Electric is with fuel injection. If its fuel injection, you should hear the pump run when you turn ignition switch. If u don't hear it, try starting, if no, turn off then on. It will self prime. Carburetor is with mechanical pump. I usually put few drops of gas in the carb. Start it, if no, more in carb till it stays running.

Jan 11, 2013 | 1999 Chevrolet Blazer

2 Answers

No fuel up to injecter pump truck just stalled


Did you check for fuel pressure on the line from the tank while you had the filter off? Do you hear your fuel pump prime when you turn the ignition on? First I would listen for the hum of the fuel pump when you turn the key to the run position (not starting the engine) May have to get a helper and listen at the gas filler neck with the cap off. If you dont hear your fuel pump, check your fuses and relays. If the relay clicks when your helper turns the key on ( put your finger on the relay and ear down close to feel/hear the relay actuate)., and fuse is good, yet you do not hear the pump prime, I would say your fuel pump is shot.

If it is a diesel,check for fuel pressure coming off the direct drive pump hose while cranking the motor.

Mike

Jun 14, 2011 | 1994 Dodge Ram 3500

1 Answer

The injection pump loses it prime . so i run it on starting fuild until it picks up then it runs fine. I cleaned the fuel filters and all the line. I think it might be the fuel pressure valve maybe


Most of the time the problem will not be in the pump. I have seen the check vale inside the pump do this not too often. How about the fuel pump itself? I have seen this alot!!! It is the one you pump to prime the injection pump.

Jul 16, 2010 | The Times Case Corporation Tractors...

1 Answer

Can't remove fuel injection pump from block


John Deere makes a good product. I was wondering why you are trying to remove the injection pump.
I have seen more problems with a broken fuel line then motor related problems.
If the injection pump looses its prime (air bound) it needs to be reprimed. The lift-pump on the side of the engine, have you inspected that?
What have you done so far that has lead you to believe that the injection pump is bad?
If you go to the section of the repair manual for injection pump timing, there you will find the answer for removing the injection pump. Let me know how your making out.

Apr 29, 2010 | John Deere Tractor Side Screen...

2 Answers

Where is my fuel pump at? on a 1995 chevy camero 3.4 yes ran the car out of gas put so in wont start now what should i do first


Your fuel pump is in the tank. Turn on the ignition, and listen if you can hear the pump run in the tank. It will only run a few seconds if the engine is not running. You can repeat this several times to prime the fuel injection.

Feb 11, 2010 | 1995 Chevrolet Camaro

1 Answer

I cant find a priming pump


No pump. The only pump is the injection pump.

Dec 25, 2009 | 2000 Volkswagen Beetle

1 Answer

Silverado not starting unless prime


There is a check valve in the fuel pump that sounds like it may have gone bad. Check the fuel pressure at the shredder valve, there should be 60 to 65psi during the prime and will drop 5 psi when the engine is running. Once the fuel line is primed, check to see how fast you lose your prime. Since you replaced your injection system, we can eliminate the fuel pressure regulator leaking which was common on the injection system your truck run's on. If the fuel pressure drops fast then it's going to be a bad check valve at the fuel pump and it may be time to replace the fuel pump it self. Good luck and hope this helps. Note: do not try to start the engine with putting gas through the throttle body, it's been know for small fires to start and burn the spider injectors. 

Sep 04, 2009 | 1999 Chevrolet Silverado 1500

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