Question about 1989 Peugeot 405

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My diesel engine wont start unless i prime it first even after just turning it off

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You have got a crack in the fuel line or the seal on the fuel fillter is pulling in air and letting the fuel run back to the tank.

Posted on Aug 01, 2009

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2 things it can be,there is a check valve in your system that is draining back to you tank,need to know what engine it is before I can tell you a location,the other thing it can be sucking air from a line ,but Im inclined to look for that one way check valve I think that is your problem because you dont say anything about a performance problem.

Posted on Jul 29, 2009

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Posted on Jan 02, 2017

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1 Answer

How to prime the injectors and fuel rail after replacing the injectors?


Electromagnetic or electronic fuel injectors are self-priming and all that is needed is to crank the engine, though I believe on later systems the injectors are coded and will not work unless the ECU has been informed the codes have changed. I think this applies more to diesels than petrol engines but on such matters I am not expert...

Staying with diesels for a moment - new injectors on either engine would usually mean fitting a new fuel filter. Sometimes this would require the primary diesel circuit to be bled in order for the high pressure pump to work.
The amount of starter cranking required can be cut by leaving each injector pipe loose in turn until diesel is dribbling from it.

Feb 20, 2016 | Cars & Trucks

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My 99 dodge 3500 diesel wont start it turns over but wont start where do i start


If you ran it out of fuel, You may have to prime your sytem first. There could be a hand pump located near your fuel pump. There are also several prescreen filters throughout the fuel sytem. They are located at some of the banjo fittings. They have to be clean to allow fuel through. If you have access to the fuel filter, make sure that is full of fuel and clean. You may have a bleed valve for removing air from the system. Or removing a fuel line located at the highest point and cranking engine until fuel comes out, then reattaching it Just some ideas where to start.

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1 Answer

Bmw diesel wont start


I'm guessing that you got an air lock in your fuel system as a result of your changing the fuel filter... I certainly don't know about a BMW diesel, but in most semi-truck engines, there is a priming pump just for the purpose of getting the air out ... and the fuel into.... the fuel system. I've even been known to fill the filters with diesel fuel before screwing them onto the base.. This is risky because of the possibility of allowing some foreign, unfiltered debris to get into your pump and/or injectors, just because of your putting unfiltered fuel into your filter... Check and see if there is some kind of priming pump close to the filter. Also, a possibility is that you may have an electric fuel pump.... as to where all you may need to do is loosen a fuel fitting on the pressure side of the pump and filter.... and allow the electric pump to purge the system of air.. I confess to my lack of knowledge on your BMW.... but, I do have some basic understanding of most diesel systems... Good luck..

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Diesel fuel system


Hello there , sounds like your fuel pressure is low , your fuel sensor may be faulty or your fuel pump is sucking air from between the pump a fuel tank .. Regards Graham ...

Apr 25, 2013 | 2006 Toyota Hilux 2.5

2 Answers

The engine is a 12ht turbo diesel 85 modle hj61 land cruiser. engine will start, the base idle is low and runs rough RPM aprox 600. wind up base idle with idle screw to 1000 runs good but u can take turn...


Check to see stop solenoid is working, you may be able to do this by getting someone to turn the key on and off slowly while you are hold your fingers against the side of it.
It is the small metal (Nut) with a wire going into it for an easy description.
The reason you have to choke the engine to stop it is you have either no power going to the switch or the switch is not working properly. i would think more that the switch may not be working properly as it is meant to close fully when power is turned off, if this was working it doesn't matter how much the motor is reving it will still shut of the fuel to the pump.
Sometime these solenoids get a bit of dirt etc stuck in them s well, this is usually just a easy fix,clamp the rubber fuel line before the pump, undo the switch, clean it and refit it, then undo the clamp and prime the pump using the hand primer.
Then start the vehicle, don't try to start the vehicle before you have reprimed the pump as you can damage the engine if you don't have fuel going into it.
Hope this helps, and good luck with it.
Dont rush working on a diesel, just take your time mate.

Jul 23, 2011 | 1989 Toyota Land Cruiser

1 Answer

2000 Isuzu Diesel 4wd wont start


make sure the battery is good, to make good start. if it is still don't go, need to check fuel filter then prime the system. 85% of the diesel engine the problem is the fuel system.

Feb 28, 2011 | Isuzu Rodeo Cars & Trucks

1 Answer

Wont start unless manually primed


Turn the ignition key to the ON position without starting the engine

You should hear the fuel pump priming for about a few seconds then shutting itself off.
If not hear replace the engine oil pressure switch
The 3rd wire to that switch is the pumps prime switch lead.
When the engines oil pressure is reached the computer will shut that circuit off and turn on the fuel pump relay
If you hear the pump prime the relay maybe at fault instead

Jan 19, 2011 | Chevrolet 1500 Cars & Trucks

1 Answer

Ran out of diesel, added diesel but now it wont start 2007 Chev 2500


Hello and welcome. you will have to perform the bleed procedure using the fuel prime on the fuel filter housing. there is a pump on top of the fuel filter assembly, on the passenger side of engine.

Open the vent valve screw (1) by turning the screw counterclockwise several full turns.




Operate the priming pump (1) by repeatedly pumping until a small amount of fuel seeps from the vent valve. Allow the pump to fully return upward between pumps. When fuel is present, the filter is full of fuel and the system is primed.
Close the vent valve screw.

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Jul 01, 2010 | 2007 Chevrolet Silverado 2500HD

2 Answers

Mercedes ran out of diesel,put some


Sorry.I am not sure on your model but.If you run a diesel out of fuel,it needs to have the fuel system bled.In the book it will say how.Most common is a bleed valve.Sorry I could not help you more on your car but someone from fixya will..I just wanted to tell you what needs to be done.Sorry I could not help you straight up but wanted to tell you what is needed for your vehicle.Thanks

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