D40 turbo diesel engine issues. - Page 3 - Nissan Frontier Forum
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post #21 of 52 (permalink) Old 12-04-2009, 04:31 PM
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Air filter you say ---hhhmmmm dont know about that one unless it was that blocked which I doubt , Air flow will not make the ECU go into limp home mode, maybe just maybe if you sucked up a rabbit and completely blocked it

Sorry Dude you better keep looking for the problem

Cheers Martin
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post #22 of 52 (permalink) Old 12-05-2009, 07:45 AM
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well as soon as the filter was changed (it was very dirty) the problem disappeared instantly
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post #23 of 52 (permalink) Old 12-08-2009, 06:10 PM
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it was throwin a code i believe .. 3 fast blinks and 1 slow ... i dont know what that means
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post #24 of 52 (permalink) Old 01-18-2010, 02:50 PM
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your scaring me.

Maybe its a automatic trans issue.
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post #25 of 52 (permalink) Old 02-04-2010, 03:37 AM
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No code

Hi
i have had my D40, commonrail pipe replaced at 30000km. Limp mode produced a code of, fuel preassure loss. Since that i have not had any problems until now.
I am at 135 000km. The computer produces no errorcode.
Just as you describe but it does not go into limp mode. I go of the throttle and when i go on again it works.
When it is cold, -15C, the power does not come back.

Some one have any ideas?

Navara D40 DC LE 2006
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post #26 of 52 (permalink) Old 02-04-2010, 04:26 PM
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Quote:
Originally Posted by NKrille View Post
Hi
i have had my D40, commonrail pipe replaced at 30000km. Limp mode produced a code of, fuel preassure loss. Since that i have not had any problems until now.
I am at 135 000km. The computer produces no errorcode.
Just as you describe but it does not go into limp mode. I go of the throttle and when i go on again it works.
When it is cold, -15C, the power does not come back.

Some one have any ideas?
-15C....Move to a warmer climate, that'll fix it
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post #27 of 52 (permalink) Old 04-05-2010, 09:34 PM
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Originally Posted by Martin from Downunder View Post
I've had mine go into limp mode several times BUT only when I was running a tuning chip and I had turned it up to high , Like Tweek'e said over fueling sounds like the problem, once I was able to install a new fuel filter and the engine ran without me having re-set the fuel curve 2000km later it started to play up , pulled over and re-set the curve on the side of the road 5mins later all was well again and never missed a beat since then

Try this before you buy any parts

To clear the codes from your ECM do as follows

How to Set Diagnostic Test Mode II (Self-diagnostic Results)
1. Confirm that accelerator pedal is fully released, turn ignition switch ON and wait 3 seconds.
2. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal.
3. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 10 seconds until the MI starts
blinking.
4. Fully release the accelerator pedal.
ECM has entered to Diagnostic Test Mode II (Self-diagnostic results).

How to Erase Diagnostic Test Mode II (Self-diagnostic Results)
1. Set ECM in Diagnostic Test Mode II (Self-diagnostic results).
Mode II (Self-diagnostic Results)" .
2. Fully depress the accelerator pedal and keep it for more than 10 seconds.
The emission-related diagnostic information has been erased from the backup memory in the ECM.
3. Fully release the accelerator pedal, and confirm the DTC 0000 is displayed.

or in short
Ign on count to 3
full on and off throttle 5 times within 5 sec's
count to 7 hold throttle down for 10 or so seconds
wait for the ECM light to flash let go of throttle and your in count the codes after you have written them down or fell you don’t need any codes just hold the throttle down until you see the ECM pattern change to ten fast flashes twice and then ten slow flashes and there you have one reset ECM
Martin, this info is unreal. I had issues with my truck stalling the day after my 120k service. Took it back the next day and they scratched their heads. At 130k my truck was still idling rough and stalling so I got them to do an injector flush. Still no good. At 137k I see this post and straight away the problem is fixed The best thing is I took it to the dealership the following week and spoke to the workshop foreman. When I asked him did they reset the ECU when they changed the filter he said "I don't know, we just plugit in to the computer". How bad is that.
Changed dealer for the 140k service. The bloke there at least knew that the ECU had to be reset whenever something on the common rail fuel system is changed. He hadn't heard of reseting it manually. He said he has to use the computer. Nissan won't tell them how to do it manually. I guess that Nissan doesn't want it's mechanics working outside of the dealerships.

Thanks again.

Navara D-40 2.5TD Manual. Steel bull bar, warn winch, snorkel, Cooper S/T 265/75R16, 2" lift, Scanguage.
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post #28 of 52 (permalink) Old 04-05-2010, 09:45 PM
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Anyone that has the Diesel engine should cut n paste this info print it out and just add it to your manuals , this when you are stuck on the side of the road you can at least give it a try

Glad the info has helped some one

Cheers Marty

Cheers Martin
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post #29 of 52 (permalink) Old 04-19-2010, 06:32 PM
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ECU reset after diesel fuel filter change

I have read your post regarding ECU reset after diesel fuel filter change in a Frontier Navara commonrail YD25 turbo diesel engine with much concern as my local dealership strongly denies that this is even an allowed let alone correct procedure and in referencing the D40 / YD25 service / repair manual showed me that that is only done after replacing the fuel pump itself or the injector(s) or the actual ECU unit but NOT when replacing the fuel filter!? I have a digital copy of the D40 service manual in PDF format if interested I can e-mail it to you? Furthermore, in this service manual there is 2 "learning" (clear memory) areas: Fuel injector(s) learning or fuel pump learning, which is the one that you suggest to clear? It seems that the fuel injector learning programming is done by manual data entry with numbers/codes/data printed on each (slightly different) injector housing and not "self-learning"? Thanks in advance for your reply!
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post #30 of 52 (permalink) Old 04-19-2010, 07:27 PM
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We are not talking about clearing the memory of the injectors here!!! this can only be done at a dealer , we are talking about the pressure curve if you like of the injector pump that alters as the filter gets older , upping the pressure so that the rail always has the correct pressure

When you get to 40'000kms change the filter yourself and see if your engine will start , I doubt that it will , any dealer that tells you there is not such procedure when the fuel filter is changed, needs a bullet

I have the manual as well , if you dont have mechanical know how , why are you even contemplating doing this kind of work yourself ?

Cheers Marty

Cheers Martin
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