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2.5 Navara (2008) 58, Diesel Auto.
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Discussion Starter #1
Ok a little info, new here.

My 2008 (58) D40 2.5 Navara wont fire up.

Bought it whilst car was running (silly) got it home and fired up again next day all be it with a struggle and black smoke enthralled all over the diuranium's :)
Replaced the fuel filter, cleaned the egr as the vein was stuck closed and full of soot, car is in limp mode because the DPF is clogged but started before. Blead the fuel lines so no air coming through. No error codes on other than of mentioned, genuine scv replaced as that was an error code and cleared it with the ecu reset method foot pedal job.
Also tried some easy start

Car almost fires up when im priming bulb as another tries to start but just wont go! any ideas what next please?
 

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Welcome along

When you squeeze the primer bulb, does it get hard after a few pumps?
If not then you still have an air leak.

Have you replaced the fuel filter?

It would be worth checking the glow plugs are working too.
 

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Discussion Starter #3
Fuel filter replaced for genuine.
Primer bulb goes solid and prime it whilst trying to fire.

That's one I ain't checked tbh...easy method?

Thanks for the welcome and speedy reply.
 

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On the glow plugs you just need to see if they are getting 12v when they are supposed to. Although I would have thought that easy start would have made it start without glow plugs.

Other things to try

Blank the egr

Clean the MAF, you could even try unplugging it as there is a default map.

Pop out an injector and tape it in a coke bottle to see if it is spraying fuel.
 

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Discussion Starter #5
MAF i shall try, glow plugs ill check 12v supply and ohms on each individual one. Blank EGR would help starting?
 

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2.5 Navara (2008) 58, Diesel Auto.
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Discussion Starter #6
64856

It didnt help when i got the vehicle the primer was connected to wrong one so now changed that but it ran all be it rough but surely it wouldn't have even run being connected up wrong?

EDIT* not a split in the pipe its shadow.
 

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Discussion Starter #8
A bit of a mash up of hose clips!

The egr can prevent it from starting, yes.
Yeh looks like previous owner used what they had laying about, shall be getting new ones fitted in time.

SO EGR blanked should eradicate that problem? No mapping out needed i take it.
 

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2.5 Navara (2008) 58, Diesel Auto.
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Discussion Starter #10
On it this afternoon thanks, hopefully before the diesel specialist turns up and charges me a bomb!
 

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Discussion Starter #11
So...had a diesel specialist out today. Plugged in his gizmo...said reading for crankshaft sensor is way too low. Should be about 350rpm but getting just less than 200...now got to wait for the part. Would that cause none start?
 

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Discussion Starter #13
Well he's coming back tomorrow to fit. Found from this forum it's back of engine next to starter.
 

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So...had a diesel specialist out today. Plugged in his gizmo...said reading for crankshaft sensor is way too low. Should be about 350rpm but getting just less than 200...now got to wait for the part. Would that cause none start?
Low RPM during cranking can't be caused by a crank sensor. Are you sure he said RPM? Low voltage output from the sensor (or no output at all) is a different thing entirely and would require replacement of sensor (after checking wiring for resistance/integrity etc. etc.).
 

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Discussion Starter #15
He was running a live test with a delphi unit, as he was cranking he said the rpm was less than 200 and should be 350+ to start, so am i being fobbed off as now he wont answer my calls after paying!
 

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I'm not surprised he's avoiding you if that was his fault diagnosis. It sounds as if he doesn't understand what he's talking about.

I don't know if these engines require a minimum of 350rpm to start but if they do a failure to achieve that can't possibly be caused by the crank sensor.

Does it sound like it cranks slowly?
 

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Discussion Starter #17
Yes cranks slowly, its almost at a point of firing, have to go steady as using jump leads or the battery soon drains and its a new one so dont want to kill it
 

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Just to be clear, it sounds as if you are using jump leads to connect the battery to the car. Is that correct?
 

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Discussion Starter #19
Jump leads from another car onto my nav which has a battery also otherwise it drains it trying to start.
 

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A new battery should have plenty for a good few cranking attempts. If you have a new battery and another car hooked up with jump leads and it still cranks slowly you need to investigate that first.

What is the voltage of your battery before you attempt to start and once the battery has been resting for a few hours? What is the minimum voltage during cranking?
 
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