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Hi, not sure if this will help. I had a similar problem on my 07 d40 with regards to power and blowing black smoke. My mechanic had blocked off my egr valve when i had my head replaced, and did not drill a hole large enough in the plate. at the time I was unaware that the size of the hole could...

Hi Peter, I had exactly the same thing happen with my Navara D40 as well. I was able to pick up a very good one from a wreckers here in Brisbane for $65. Here is a link to their website. https://www.wholesalecarparts.com.au/

Hi, I was having a loss of power until mine got up to about 3000rpm. Blowing black smoke as well. Mechanic put a blanking plate on egr valve, thought he was saving me money, drilled a hole in it but apparently wasn't big enough hole (since found out it needed a bigger hole) I replaced my egr...

No sorry, I'm not sure what size hole he drilled in it. But good to know that info. Next time I'm there I will let him know that

the mechanic did drill a hole in the blanking plate, when he fitted it

Hi all, well got my car back from the mechanic last night, new egr in place. My Navara is behaving as normal, no more acceleration problems, turbo works as normal. And no black smoke. Thanks for all the advice from everyone it was all very helpful. If anyone is in Brisbane and needs a turbo...

Update on my Navara, when my mechanic replaced my timing gear and head, etc. He fitted a blanking plate to replace my egr as apparently mine was broken. When I took it to him today (before fitting my new turbo) he sent it to a diesel specialist. The specialist did something called a "smoke...

Has anyone ever heard of the timing being out by 1 tooth, but the vehicle still runs fine?

Ok thanks I'll have a listen this afternoon and let you know

Hi i Kzin, if I do hear a hissing sound what would this indicate? Could this indicate that I have an air bubble? I'll have a look to see if I can find an air bubble like yours. I'm taking mine back to the mechanic tomorrow. Hoping he may find something (altho he had it for 3 days last week)...

Would the bubble cause the symptoms I am showing? The pressure in the fuel rail is correct.

Thanks Pat, when I first took it back to the mechanic, he said he replaced the solenoid just in case it was playing up. The vac hoses as far as i can find online are going to the right places. I will double check that tho. Also with bypassing the solenoid, how would I do this? The hose...

Ok thanks for the info, I'll check the rubber hoses and replace them just to be sure, the mechanic replaced the primer bulb when he replaced the head as he said it was leaking. I'm hoping it is something simple like a split or missing vacuum hose. I have checked the main 3 so far. Is there...

Thanks for the reply, it seems like it is overfueled, is there a way to check?

It's not in new condition, however it was fine up until I had the timing chain and head replaced. I do have a new turbo on order

Hi all, first time poster, I'm recently new to owning a 2007 Nissan navara d40 diesel having problems with it blowing black smoke on acceleration, very sluggish acceleration until about 2000 rpm then boost kicks in blows heaps of black smoke when this happens. Recently had a new head, timing...